Militants attacked a roadside bunker in the down town Srinagar and a police station in south Kashmir, injuring a CRPF constable and three police personnel tonight. <br/><br/>Official sources said the militants hurled a hand grenade towards a roadside bunker at Saraf Kadal in the down town city tonight resulting in injuries to a CRPF constable identified as Vikas Panday and three police personnel Farooq Ahmad, Tariq Ahmad and Nazir Ahmad. The injured were shifted to hospital, the sources said.<br/> <br/>Security forces have launched a massive hunt to nab the militants responsible for the attack.<br/> <br/>Militants also attacked police station at Shopian in south Kashmir with automatic weapons. Security forces also retaliated but there were no reports of any loss of life.<br/> <br/>Militants later managed to escape under the cover of darkness. The sources added that the militants also fired towards the house of a former legislator. No one was injured.