Bangladesh: Deadly explosion hits commercial building in Dhaka

At least 17 people have been killed and 140 injured in an explosion inside an office building in the Bangladeshi capital Dhaka, police and fire service officials have said.

The explosion shook the fourth and fifth floors of a five-storey building in Gulistan, a major hub for wholesale goods in the capital, shortly before 5pm local time on Tuesday.

Authorities could not immediately provide the reason behind the huge explosion in the bustling commercial area.