Helicopter sent to rescue father of Liverpool star Luis Diaz takes off as humanitarian groups 'move to meet ELN guerrilla fighters at the Colombia-Venezuela border after the group established contact in bid to hand him over'

The father of the Liverpool winger, Luis Manuel Diaz, was abducted at gunpoint along with his wife on October 28 by the Colombian left-wing guerrilla group Ejercito de Liberation Nacional (ELN).