New Delhi: The suspicious bag lying otuside of Delhi airport sparked a frightening early Friday, resulting in a few hours of restrictions on passenger movements. Initially, RDX or its traces were suspected of containing the bag. The bag was examined by the bomb squad's explosive detector and a dog. The Delhi Police said that a call was received about 1 am after which a CISF staff noticed the bag near the arrival terminal gate number 2. A bomb detector and a dog checked the bag, giving positive signals for explosives. After a complete search of the arrival area was conducted by the CISF, movement of passengers and vehicles was resumed around 3.30 am.