Bernie Sanders not conceding yet to Clinton; says main job is defeating Trump

Democratic presidential candidate Bernie Sanders has told his supporters he will work with Hillary Clinton to transform the party, adding that his "political revolution" must continue and ensure the defeat of Donald Trump.
Mr Sanders told his political followers online that the major task they face is to "make certain" Mr Trump is defeated. The Vermont senator said he plans to begin his role in that process "in a very short period of time".