A bridegroom fatally shot his new wife, his best man and then himself after announcing to horrified guests that he had a 'surprise' for them, authorities have said.

Witnesses reported that 29-year-old Rogerio Damascena, a sales manager in Camaragibe, outside the northeastern Brazilian city of Recife, did not give any previous indication that anything was wrong at his wedding reception, police investigator Joao Brito said.