The recovery includes three handmade bombs, some explosives, 5kg ammonium nitrate, 3kg charcoal, 2.5kg lead oxide, four electric detonators, four batteries, four switches and electric wires, said a Rab press release.

The Rab intelligence came to know that one of the most wanted JMB leaders, Reza alias Rabi alias Nizam, who is in-charge of Dhaka city, recently rented a house in Posta area of Lalbagh.

On information, a team of Rab-2 took position near the house at 69/2 Water Workshop Road at 8:00pm Tuesday night. But as Reza did not return home all night, the elite anticrime members raided the single-room flat on the second floor of the three-storeyed house yesterday morning and made the recovery.

Talking to owner of the house Shahida Begum, the Rab learnt that Reza, aged around 22, rented the house on February 2 at Tk 1,800 per month and shifted to the house on February 5 giving the landlady Tk 500 in advance. He went out of the house Tuesday noon.

Reza said he is from Chandpur, Shahida told the press.

Meanwhile, acting on a tip-off, the Rab-3 held JMB activist Milon Miah, 32, a close associate of JMB Ehsar (full-time activist) Sagir, from Kungurdia of Uttarkhan in Uttara at 4:30pm on Tuesday.

The Rab claimed Milon and Sagir were actively involved in subversive activities.