Dhaka, April 14 -- The Left Democratic Alliance (LDA) believes the attack on preparations for Bengali New Year celebrations at Chattogram's DC Hill is pre-planned, and said the district administration and law-enforcing agencies "cannot avoid taking responsibility" for the incident.

The leaders of the alliance held protests at the port city's CRB on Monday, demanding those involved in Sunday's attack be meted out justice.

"The administration has completely failed to control the situation," said Nurussafa Bhuiyan, general secretary of the Chattogram unit of the Communist Party of Bangladesh (CPB).

He pushed for a swift investigation to figure out whether any special group, with the assistance of the administration, carried out the attack...