Bangladesh won the fourth T20I against New Zealand by six wickets in Dhaka on Wednesday to secure victory in their five-match series.

New Zealand were bowled out for 93 and Bangladesh captain Mahmudullah Riyad hit an unbeaten 43 as his side reached 96-4 with five balls to spare. Victory gave Bangladesh an unbeatable 3-1 series lead.

Spinner Nasum Ahmed and fast bowler Mustafizur Rahman each took four wickets as Bangladesh skittled out New Zealand in 19.3 overs.

Mahmudullah hit two sixes in his 48-ball innings after opener Mohammad Naim hit 29 off 35 balls to maintain the early run chase.

The fifth and final game is on Friday.