Dhaka, Dec. 29 -- Inqilab Moncho leaders and activists have occupied Dhaka's Shahbagh intersection for the fourth consecutive day, demanding the arrest and speedy trial of those involved in the murder of the organisation's convenor Sharif Osman bin Hadi.

Protesters descended on one of the city's busiest thoroughfares around 2pm on Monday as part of a pre-announced programme.

They later blocked the intersection around 2:20pm, bringing traffic on all adjoining roads to a standstill.

The protesters had ended their blockade programme on Sunday night after announcing four demands.

Their demands include bringing to book all those involved in the murder, including the killers, planners, aides, accomplices in escape and those who sheltered th...