Accused of attack on police was killed in exchange of fire during an attempt of arrest on Wednesday. According to details, culprit Asif Siddique has attacked CIA Model Town and Civil Lines policemen in Ghaziabad the other day injuring four people including two cops and had escaped the scene. The police on a tip-off conducted raid to arrest the accused but he along with his accomplices started firing at police and tried to flee. In retaliatory firing of police, Asif Siddique was killed while his three accomplices managed to escape.–Staff Reporter