Two suspected robbers were killed in a lynch-mob attack at Gunipur in Lakhai upazila of Habiganj district early Sunday.   The deceased were identified as Abdul Hamid, 42, of Dharmandal village of Brahmanbaria district and Humayun Mia, 40 of Madhabpur upazila in the district.   Mohiuddin Sumon, officer-in-charge of Lakhai Police Station, said a group of robbers numbering 9/10 swooped on the house of one Jalal Mia around 1:30 am and kept the house inmates hostages at gunpoint. Also read: Mob beats alleged cattle thief to death in Bogura   Sensing presence of the robbers, Jalal informed the matter to his neighbours over phone.   Later, local people encircled the house and managed to catch two robbers while the others managed to flee the scene.   Also read: Mob beats man to death in Khulna The angry mob then gave the robbers a good thrashing,  leaving them dead on the spot.   Police recovered the bodies.