Daughter of British aid worker beheaded by the ISIS 'Beatles' terror cell pays tribute to 'generous' father ten years after his murder as his body remains unfound

The daughter of a British aid worker David Haines who was beheaded by Islamic State terrorists has paid tribute to a caring man who 'loved life' at a memorial service to mark 10 years since his death. Bethany Haines, the daughter of David Haines, who was killed by Islamic State militants Bethany Haines with her father David - Bethany paid tribute to her father at a memorial service to mark 10 years since his death Friends and family gathered in Perth in Scotland for the service, which Ms Haines organised to celebrate the life of her father and to remember all other hostages - Bethany pictured with her father David Speaking at the service on Sunday Ms Haines said: 'It's hard to believe it is 10 years since my world was shattered and I had to accept that I was never going to see my dad again. David Haines, from Perth, was captured by militants in Syria in March 2013 while delivering aid to the war-torn country - he is pictured here at his parents' home in Ayr, Scotland, in 2012 Haines was among a number of Westerners in the Middle East to be kidnapped by ISIS during the terror group's peak in the early 2010s Speaking at the service on Sunday Ms Haines said: 'It's hard to believe it is 10 years since my world was shattered and I had to accept that I was never going to see my dad again Bethany described her father as 'strong, kind and caring' and said he would have loved becoming a grandfather and spending time with her son She described her father as 'strong, kind and caring' and said he would have loved becoming a grandfather and spending time with her son. The service also paid tribute to six other hostages who suffered similar fates to Mr Haines: aid workers Alan Henning, Kayla Mueller and Peter Kassig and journalists James Foley, Steven Sotloff and John Cantlie.