Islamabad police have arrested a terrorist and close aide of group involved in damaging NATO oil containers besides recovering four-kilograms of explosive material and two hand grenades from him. The police obtained information that a person involved in damaging NATO containers was on his way to Islamabad from tribal belt along with explosive material with him. It was also informed that he might target some sensitive locations in the city and indulge in terrorism activities here. Islamabad police have done a commendable job for the past few months. Therefore, Islamabad police should put the security as well as vigilance on high alert in the city and making every possible effort to ensure protection to the lives and property of the citizens. KHURRAM SALEEM, Islamabad, May 23