(Xinhua) -- Algerian Criminal Court sentenced Friday to death and life imprisonment the head of al-Qaida of the Islamic Maghreb (AQIM) and his 52 fellow members, according to the official Algeria Press Service (APS) news agency.

The court sentenced 49 decedents, including Abdelmalek Droukdel, head of AQIM, to death penalty and four decedents to life imprisonment, accusing them responsible for the 2007 bomb attack in Algiers, which led to the death of 11 and injury of over 100.

On April 11, 2007, a blast attacked a police post in Algiers, killing and injuring more than 100 people, for which the AQIM later claimed responsible.

The defendants admitted that they had spotted the movement of the security forces in Algiers and transferred the information to terrorist organizations several days before the bombing.

The criminal court sentenced in absentia to death and life imprisonment against 11 terrorists on Tuesday.