LUCKNOW, Nov. 12 -- The

quiet morning in Muttakipur village near IIM Road turned tense on Tuesday after the Uttar Pradesh anti-terror squad (ATS), along with police forces of Jammu & Kashmir and Lucknow, carried out a raid at the house of local doctor Parvez Ansari.

The operation followed the arrest of his sister, Dr Shaheen, from Faridabad on Monday for her alleged role in a terror network spread across Jammu and Kashmir, Haryana, and Uttar Pradesh.

Teams broke open the lock of Ansari's one-storey residence as bomb squad units and armed personnel surrounded the area. The sudden police action drew hundreds of villagers and onlookers to the narrow street, turning the peaceful neighbourhood into a tense scene.

According to officials, Dr...