Bengaluru: The Central Crime Branch (CCB) sleuths picked up two persons from Bhatkal for their possible involvement in the Church street blast that rocked Bengaluru on December 28. The duo was picked up from Bhatkal, based on the circumstantial evidence obtained from the scene of the crime. The suspects have been brought to Bengaluru for further questioning. The police have also searched the houses of the suspects and recovered incriminating materials which will be probed further, a senior police officer said. They are suspected to a part of the banned Indian Mujahideen group.