Three persons were arrested in Mumbai in connection with the July 11 serial blasts, DIG (ATS) Jaijit Singh said on Friday.

Two of them were from Bihar and one was from Mumbai, he told PTI adding that further details would be disclosed later.

The accused will be produced before a special court later on Friday.

Two persons, who were arrested from Bihar, belong to Madhubani district while the third accused hailed from Navi Mumbai, sources said.

The three were arrested under the stringent Maharashtra Control of Organised Crime Act.

This is the first arrest in the Mumbai serial blasts case. A total of 185 persons were killed and over 700 injured in seven blasts in first class compartments of local trains at Matunga, Mahim, Khar, Santa Cruz, Jogeshwari, Borivali and Bhayander in the metropolis on July 11.