Armed Yemeni tribesmen guard a street near the house of influential Yemeni tribe leader Sheikh Sadeq al-Ahmar in Sana'a, Yemen, 27 May 2011. Yemeni tribe leader Sheikh Sadiq al-Ahmar said on 27 May that there is a truce between his tribal fighters and security forces loyal Yemeni President Ali Abdullah Saleh in Sana'a. At least 60 Yemenis were killed and tens of families were forced to flee the area after clashes began four days ago outside the house of tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/STRINGER
Armed Yemeni tribesmen patrol in a street near the house of influential Yemeni tribe leader Sheikh Sadeq al-Ahmar in Sana'a, Yemen, 27 May 2011. Yemeni tribe leader Sheikh Sadiq al-Ahmar said on 27 May that there is a truce between his tribal fighters and security forces loyal Yemeni President Ali Abdullah Saleh in Sana'a. At least 60 Yemenis were killed and tens of families were forced to flee the area after clashes began four days ago outside the house of tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/STRINGER
Armed Yemeni tribesmen patrol in a street near the house of influential Yemeni tribe leader Sheikh Sadeq al-Ahmar in Sana'a, Yemen, 27 May 2011. Yemeni tribe leader Sheikh Sadiq al-Ahmar said on 27 May that there is a truce between his tribal fighters and security forces loyal Yemeni President Ali Abdullah Saleh in Sana'a. At least 60 Yemenis were killed and tens of families were forced to flee the area after clashes began four days ago outside the house of tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/STRINGER
Yemeni pro-government supporters hold posters of Yemeni President Ali Abdullah Saleh during a pro-government rally in Sana’a, Yemen, 27 May 2011. According to media sources, mass anti-government demonstrations took to the street on 27 May across Yemen as violent clashes between armed tribesmen and security forces in the capital Sana'a entered their fifth consecutive day. At least 60 people were killed and tens of families were forced to flee the area after clashes began outside the house of prominent tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/WADIA MOHAMED
A Yemeni soldier of the Republican Guard Forces stands on a tank at a street near the Presidential Palace, where President Ali Abdullah Saleh stays in Sana’a, Yemen, 27 May 2011. According to media sources, mass anti-government demonstrations took to the street on 27 May across Yemen as violent clashes between armed tribesmen and security forces in the capital Sana'a entered their fifth consecutive day. At least 60 people were killed and tens of families were forced to flee the area after clashes began outside the house of prominent tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/WADIA MOHAMED
Yemeni anti-government protesters walk past army soldiers standing guard at a camp in Sana’a, Yemen, 27 May 2011. According to media sources, mass anti-government demonstrations took to the street on 27 May across Yemen as violent clashes between armed tribesmen and security forces in the capital Sana'a entered their fifth consecutive day. At least 60 people were killed and tens of families were forced to flee the area after clashes began outside the house of prominent tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/YAHYA ARHAB
A Yemeni soldier (L) stands guard as female pro-government supporters hold posters of Yemeni President Ali Abdullah Saleh during a pro-government rally in Sana’a, Yemen, 27 May 2011. According to media sources, mass anti-government demonstrations took to the street on 27 May across Yemen as violent clashes between armed tribesmen and security forces in the capital Sana'a entered their fifth consecutive day. At least 60 people were killed and tens of families were forced to flee the area after clashes began outside the house of prominent tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/YAHYA ARHAB
Yemeni pro-government supporters hold posters of Yemeni President Ali Abdullah Saleh during a pro-government rally in Sana’a, Yemen, 27 May 2011. According to media sources, mass anti-government demonstrations took to the street on 27 May across Yemen as violent clashes between armed tribesmen and security forces in the capital Sana'a entered their fifth consecutive day. At least 60 people were killed and tens of families were forced to flee the area after clashes began outside the house of prominent tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/WADIA MOHAMED
Yemeni pro-government supporters hold a poster of Yemeni President Ali Abdullah Saleh during a pro-government rally in Sana’a, Yemen, 27 May 2011. According to media sources, mass anti-government demonstrations took to the street on 27 May across Yemen as violent clashes between armed tribesmen and security forces in the capital Sana'a entered their fifth consecutive day. At least 60 people were killed and tens of families were forced to flee the area after clashes began outside the house of prominent tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/YAHYA ARHAB
Yemeni anti-government protesters shout slogans during a demonstration demanding the departure of Yemeni President Ali Abdullah Saleh, in Sana'a, Yemen, 27 May 2011. According to media sources, mass anti-government demonstrations took to the street on 27 May across Yemen as violent clashes between armed tribesmen and security forces in the capital Sana'a entered their fifth consecutive day. At least 60 people were killed and tens of families were forced to flee the area after clashes began outside the house of prominent tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/YAHYA ARHAB
Yemeni anti-government protesters shout slogans during a demonstration demanding the departure of Yemeni President Ali Abdullah Saleh, in Sana'a, Yemen, 27 May 2011. According to media sources, mass anti-government demonstrations took to the street on 27 May across Yemen as violent clashes between armed tribesmen and security forces in the capital Sana'a entered their fifth consecutive day. At least 60 people were killed and tens of families were forced to flee the area after clashes began outside the house of prominent tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/YAHYA ARHAB
Yemeni anti-government protesters shout slogans during a demonstration demanding the departure of Yemeni President Ali Abdullah Saleh, in Sana'a, Yemen, 27 May 2011. According to media sources, mass anti-government demonstrations took to the street on 27 May across Yemen as violent clashes between armed tribesmen and security forces in the capital Sana'a entered their fifth consecutive day. At least 60 people were killed and tens of families were forced to flee the area after clashes began outside the house of prominent tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/YAHYA ARHAB
Yemeni anti-government protesters carry the coffins of a tribesman, loyal to protesters, killed in clashes with security forces, during a demonstration demanding the departure of Yemeni President Ali Abdullah Saleh, in Sana'a, Yemen, 27 May 2011. According to media sources, mass anti-government demonstrations took to the street on 27 May across Yemen as violent clashes between armed tribesmen and security forces in the capital Sana'a entered their fifth consecutive day. At least 60 people were killed and tens of families were forced to flee the area after clashes began outside the house of prominent tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/YAHYA ARHAB
Yemeni anti-government protesters shout slogans during a demonstration demanding the departure of Yemeni President Ali Abdullah Saleh, in Sana'a, Yemen, 27 May 2011. According to media sources, mass anti-government demonstrations took to the street on 27 May across Yemen as violent clashes between armed tribesmen and security forces in the capital Sana'a entered their fifth consecutive day. At least 60 people were killed and tens of families were forced to flee the area after clashes began outside the house of prominent tribe leader Sheikh Sadeq al-Ahmar, a day after Saleh refused to sign a Gulf-brokered power transfer agreement for the third time. EPA/YAHYA ARHAB