problem with timing belt marks?

HI I HAVE A RENAULT laguna 2003 2.2 DCI THAT THE TIMING BELT SNAPED ON. FITTED NEW BELT AND TURNED BY HAND FOUND O.K. TRIED TO START ENGINE TURNING OVER FINE BUT NOT STARTING. CHECKED OVER FOUND FUEL TO FILTER O.K AND DOWN TO HIGH PRESSURE PUMP O.K BUT WHEN CHECKED FUEL TO FUEL RAIL AND INJECTORS ONLY DRIPPING FUEL OUT. IS IT POSS INTERNAL FAILURE OF HIGH PRESSURE PUMP. PLEASE COULD YOU GIVE ME ANY INFO OR IDEAS.