
Yemeni anti-government protesters shout slogans during a demonstration in Sana’a, Yemen, on 18 March 2011. According to local media sources, more than 30 Yemeni anti-government protesters were killed and scores wounded when police opened fire at hundreds of thousands of protesters gathered in the Yemeni capital Sana'a. An eyewitness said that security men in civilian clothes on the rooftops of surrounding houses opened live fire on protesters, apparently shooting to kill by aiming at the head and chest. EPA/YAHYA ARHAB

Yemeni anti-government protesters shout slogans during a demonstration in Sana’a, Yemen, on 18 March 2011. According to local media sources, more than 30 Yemeni anti-government protesters were killed and scores wounded when police opened fire at hundreds of thousands of protesters gathered in the Yemeni capital Sana'a. An eyewitness said that security men in civilian clothes on the rooftops of surrounding houses opened live fire on protesters, apparently shooting to kill by aiming at the head and chest. EPA/YAHYA ARHAB

Yemeni anti-government protesters carry an injured protester following clashes with security forces in Sana’a, Yemen, 18 March 2011. According to the lacal media sources, more than 30 Yemeni anti-government protesters were killed and scores wounded when police opened fire at thousands of protesters gathered in the Yemeni capital Sana'a. An eyewitness told the German Press Agency dpa that security men in civilian clothes on the rooftops of surrounding houses opened live fire on protesters, apparently shooting to kill by aiming at the head and chest. EPA/YAHYA ARHAB

An injured Yemeni anti-government protester is seen at a makeshift clinic in a mosque following clashes with security forces in Sana’a, Yemen, 18 March 2011. According to the lacal media sources, more than 30 Yemeni anti-government protesters were killed and scores wounded when police opened fire at thousands of protesters gathered in the Yemeni capital Sana'a. An eyewitness told the German Press Agency dpa that security men in civilian clothes on the rooftops of surrounding houses opened live fire on protesters, apparently shooting to kill by aiming at the head and chest. EPA/YAHYA ARHAB

Yemeni anti-government protesters carry an injured protester following clashes with security forces in Sana’a, Yemen, 18 March 2011. According to the local media sources, more than 30 Yemeni anti-government protesters were killed and scores wounded when police opened fire 18 March at thousands of protesters gathered in the Yemeni capital Sana'a. EPA/YAHYA ARHAB

Medics treat an injured Yemeni anti-government protesters following clashes with security forces in Sana’a, Yemen, 18 March 2011. According to the local media, more than 30 Yemeni anti-government protesters were killed and scores wounded when police opened fire at hundreds of thousands of protesters gathered in the Yemeni capital Sana'a. An eyewitness told the German Press Agency dpa that security men in civilian clothes on the rooftops of surrounding houses opened live fire on protesters, apparently shooting to kill by aiming at the head and chest. EPA/YAHYA ARHAB