Three suspected Pak-based terrorists arrested from Chittagong in connection with a plot to attack the US embassy and the Indian High Commission in Dhaka have been sent to two days police remand by a city court today. The investigating officer in the case told the court that in the primary interrogation, the detainees admitted they were preparing to attack the high profile targets. The suspects, two Lashkar-e-Taiba operatives and a HuJI activist were arrested on intelligence inputs given on information provided by two suspected militants arrested in the US. A spokesman for detective branch of police said, David Coleman Headley, an American national and Tahawwur Hussain Rana, a Canadian citizen of Pakistani descent were arrested by FBI on charges of attempting to attack establishments in different countries including India. Police will seek further remand of the suspected militants to quiz them on the plot. The two were identified as Shahidul Islam, 26, and Al Amin alias Saiful, both LeT men. The third, 33-year old Mufty Harun Izhar, was stated to be a Harkat-ul-Jihad-al-Islami (HuJI). Yesterday's development came nearly two weeks after authorities ordered stepped up security for Indian envoy Pinak Ranjan Chakravarty and the Indian High Commission in Dhaka after a reported security email threat.