Dhaka, Nov. 17 -- Dhaka is on edge as security forces tighten their grip on the capital amid a surge in arson attacks and crude bomb blasts ahead of the verdict in Sheikh Hasina's trial over crimes against humanity linked to the July uprising.

The International Crimes Tribunal is set to pronounce the verdict on Monday.

In recent days, the city has been rocked by a rash of small but unnerving attacks. On Sunday, the first workday of the week, a crude bomb exploded in Eskaton, injuring a passer-by. Through the evening, further blasts were reported in Karwan Bazar, Jurain and Banglamotor.

Police confirmed twin hand-bomb explosions outside the home of the interim government's Advisor Syeda Rizwana Hasan.

A wave of bus arson has accompanie...