The drive started at 4 pm on Saturday and continued till 03:30 am on Sunday, said deputy commissioner (media) of Dhaka Metropolitan Police (DMP) Talebur Rahman at a press briefing.
A team from Mohammadpur Police Station conducted a drive in the area and arrested 40 people along with eight crude bombs, two petrol bombs, six sharp weapons, five helmets, three knieves, 11 mobile phone sets and 500 grams of heroin, reports UNB.
The regular drive of DMP to maintain law and order will continue, he said.