Samajwadi Party leader Ram Gopal Yadav on Tuesday expressed apprehension that the police would kill one of the sons of gangster-turned-politician Atiq Ahmed in a fake encounter in the coming days in connection with the Umesh Pal murder case.

Unable to find the real culprits, police are "under pressure from the top to kill whoever they find", the SP national general secretary told reporters in Saifai here.