
Police begin to search for clues following a car bomb blast outside the Ulster Bank blown in by the car bomb blast in Culmore Road area of Derry/Londonderry, Northern Ireland, 05 October 2010. Dissident republicans are being blamed for a car bomb attack in Londonderry. The bomb was left close to the Ulster Bank and a row of shops in front of Da Vinci's hotel on the Culmore Road on Monday night. It exploded shortly after midnight - about an hour after the warning was given. Dozens of homes were evacuated in the alert. No-one was injured. EPA/PAUL MACERLANE

Police begin to search for clues following a car bomb blast outside the Ulster Bank blown in by the car bomb blast in Culmore Road area of Derry/Londonderry, Northern Ireland, 05 October 2010. Dissident republicans are being blamed for a car bomb attack in Londonderry. The bomb was left close to the Ulster Bank and a row of shops in front of Da Vinci's hotel on the Culmore Road on Monday night. It exploded shortly after midnight - about an hour after the warning was given. Dozens of homes were evacuated in the alert. No-one was injured. EPA/PAUL MACERLANE

Police begin to search for clues following a car bomb blast outside the Ulster Bank blown in by the car bomb blast in Culmore Road area of Derry/Londonderry, Northern Ireland, 05 October 2010. Dissident republicans are being blamed for a car bomb attack in Londonderry. The bomb was left close to the Ulster Bank and a row of shops in front of Da Vinci's hotel on the Culmore Road on Monday night. It exploded shortly after midnight - about an hour after the warning was given. Dozens of homes were evacuated in the alert. No-one was injured. EPA/PAUL MACERLANE

Windows of the Ulster Bank blown in by the car bomb blast in Culmore Road area of Derry/Londonderry, Northern Ireland, 05 October 2010. Dissident republicans are being blamed for a car bomb attack in Londonderry. The bomb was left close to the Ulster Bank and a row of shops in front of Da Vinci's hotel on the Culmore Road on Monday night. It exploded shortly after midnight - about an hour after the warning was given. Dozens of homes were evacuated in the alert. No-one was injured. EPA/PAUL MACERLANE

Windows of the Ulster Bank blown in by the car bomb blast in Culmore Road area of Derry/Londonderry, Northern Ireland, 05 October 2010. Dissident republicans are being blamed for a car bomb attack in Londonderry. The bomb was left close to the Ulster Bank and a row of shops in front of Da Vinci's hotel on the Culmore Road on Monday night. It exploded shortly after midnight - about an hour after the warning was given. Dozens of homes were evacuated in the alert. No-one was injured. EPA/PAUL MACERLANE