Alan Henning and David ##nes were both murdered by ISIS extremists . mark Haines was beheaded last September , and Mr Henning a month later . Both of the murders were apparently carried out by Jihadi agents and filmed . Pope Francis met Mr Henning 's widow and the brother of David Haines . He blessed both at St Peter 's funeral in bid to curb religious extremism .
Alan Henning and David Haines were both captured by ISIS extremists . Mr Haines was beheaded last September , and Mr Henning a month later . Both of the killings were apparently carried out by Jihadi John and filmed . Pope Francis met Mr Henning 's widow and the brother of David Haines . He blessed both at St Peter 's Basilica in bid to reduce religious extremism .