Police on February 13 arrested a Sindh Revolutionary Army (SRA) cadre involved in several terrorist activities including a gun attack on a Chinese citizen from Mailr Town area of Karachi, the provincial capital of Sindh, reports ARY News.Senior Superintendent of Police (SSP) Irfan Bahadur said that the arrested SRA cadre, identified as Raja Adnan, was involved in several terrorist activities in Karachi and interior Sindh.Raja Adnan had received weaponry training in Afghanistan. During the initial investigation, Adnan revealed that they use Telegram mobile app for making contacts for carrying out terrorist activities.