Bangladesh dashing batsman Sabbir Rahman hit his first half century in Tests on Sunday, reaching the milestone in 76 balls against England at Zahur Ahmed Chowdhury Stadium, Chittagong.Bangladesh on Day Four lost a few early wickets chasing 286 put up by England but it was Sabbir who built up the most crucial partnership with skipper Mushfiqur Rahim to add runs and stability to their innings.Bangladesh needed another 33 runs to seal what would unquestionably count as their greatest Test victory.