The elite force personnel also detained one person, Nadim, during the drive around 3:30pm, Maj Ali Haider Azad Ahmed, acting commanding officer of Rab-2, told The Daily Star.
The Rab is due to hold a press briefing later in the afternoon to give details about the recovery.
The official said Nadim was injured as an explosion took place during the drive.
100 petrol bombs seized at Mohammadpur
100 petrol bombs seized at Mohammadpur
Rapid Action Battalion (Rab) this afternoon recovered around 100 petrol bombs and 1kg gunpowder and other bomb-making materials at Geneva Camp of Mohammadpur in the capital.
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