Leading Islamist militant Isnilon Hapilon, who is on the United States' list of "most wanted terrorists", has been killed in the battle to reclaim a rebel-held city, the defence minister said on Monday. 

"(Our troops) were able to get Isnilon Hapilon and Omar Maute. They were both killed," Defence Secretary Delfin Lorenzana told reporters, referring to another fighter who led the attack with Hapilon on Marawi city in May