Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Deadly Prison Attack by IS Kills 21 in Afghanistan Ayesha Tanzeem ISLAMABAD - Fighting continues mid-day Monday in a deadly attack that started Sunday evening on a prison in Jalalabad city ineastern Afghanistan. At least 21 people, including prisoners, have been killed,while nearly 50 were wounded, according to AtaullahKhogyani, a spokesman for the Nangarhar provincial government. The attack, claimed by the Islamic State group through its media armAmaqnews agency, started with a car bomb followed by gunmen storming the prison. Khogyanisaid the security forces had re-arrested around 700 prisoners who tried to flee but did not say whether any inmates managed to escape. He also confirmed that at least three attackers were killed butseveralothers were still inside the prison or holed up in nearby buildings from where they continued to attack the security forces. According to provincial officials more than 1,500 prisoners were inside the prisonwhenthe attackstarted. Security officials said their operationsare moving slowly in order to protect civiliansin the area. Various local health officials confirmed that dead bodies and wounded were shifted to Nangarhar regional hospital. Nangarhar was a stronghold of the local chapter of IS, called IS Khorasan, before they were routed by sustained military operations of Afghan and U.S.forces. However, the group has continued to attack targets in parts of the country, including in Jalalabad and Kabul. TheAfghan Taliban have distanced themselves from the attack. Taliban spokesman Zabiullah Mujahid said his group "had nothing to do with it." The deadly attack comes at a time when hopes were high that the Afghan government and the Taliban would this monthbegindirect negotiations to end their decades long conflict. .