PLEASE NOTE: EDIT CONTAINS CONVERTED 4:3 MATERIAL<br/> Hamid Karzai joined Afghan officials for a prayer ceremony for assassinated former President Burhannudin Rabbani on Saturday.<br/> The incumbent Afghan president remained through the ceremony as different groups came and went.<br/> Karzai cut short his visit to the United Nations General Assembly in New York to return for Rabbani's funeral on Friday.<br/> There were scenes of chaos and confrontation at the burial site when a former intelligence chief was stopped from getting there by guards loyal to Karzai.<br/> A microphone was snatched from the hand of another mourner as he tried to address the crowd.<br/> Live television coverage was abruptly cut as the tone of speeches became sharper.<br/> Rabbani was assassinated at his home on Tuesday by a suicide bomber claiming to carry a message of peace from the Taliban leadership.<br/> Karzai has come in for intense criticism from his political opponents who say he instructed Rabbani to meet with the assassin.<br/> Karzai's office say he was not involved.<br/> Karzai appointed Rabbani to head the High Peace Council last October.<br/> Rabbani's death has given rise to fears of dangerous divisions among Afghans fighting the Taliban-led insurgency.
