Bangladesh Coast Guard detained two people along with arms and explosives from separate places in Bhola sadar upazila on Saturday night.
The arrestees are Md Faruk Daulat from the Paschim Ilisha area of Bhola Sadar and Md Hossain Siam from Charsamaiya Union.
Lt Commander Rifat Ahmed of the Bangladesh Coast Guard South Zone said they conducted drives Charpata and Charsamaiya unions under Bhola Sadar Upazila.
They recovered a country-made firearm, two rounds of blank cartridges, 12 bombs and three locally-made weapons, he said.
Besides , 16 government cards for people with disability were recovered from their pocession, he added.
The detainees were involved in extortion, land grabbing and creating fear among locals, the commander said.
Later, both of them were handed over to Bhola Sadar Model Police Station.