Mullah Mannan Niazi, the deputy leader of a splinter group of Taliban led by Mullah Rasul, who sustained injuries in a clash in Herat last week, has died, a source from Herat, who wished not to be named, said.

The fighting happened on May 12 in Guzara district in the western province of Herat after several attackers targeted the area where he lived, the source. 

The source said that “Mullah Manan got injuries on his head and was under treatment at Herat’s regional hospital.”

He was in a coma after the clash. Three of his men were killed and four others were wounded in the clash, the source. 

No other group has claimed responsibility for the attack.