Three suspected LeT militants -- Suhail, Arshad Ali alias Baba and Fahyeem -- were arrested from Rampur in Uttar Pradesh in the wee hours today along with a large cache of arms and ammunitions, official sources said.

Meanwhile, Salahuddin, a resident of Madhubani in Bihar, and Imran and Farooq -- both resident of Pakistan- occupied Kashmir (PoK) were arrested from Lucknow, they said.

During interrogation Salahuddin emerged as the brain behind the Rampur as well as Bangalore attack.

Heavily-armed militants in an attack on the CRPF camp in Rampur had killed eight persons, including seven security personnel. In Bangalore attack, one Delhi-IIT professor was killed by militants.