A worker died after falling from an under-construction mosque in Old Dhaka's Islambagh area this noon. The deceased was identified as Mohammad Billu, 35, a resident of Kamrangirchar area. His co-worker Jamal Hossain said that Billu was doing construction work on the mosque's first floor along with other workers. He fell from the rooftop of the one-storey mosque around 11:00am