ISLAMABAD- Intelligence agencies today alerted the Ministry of Interior and other concerned authorities regarding entrance of an explosive-laden vehicle in Pakistan Tehreek-e-Insaf (PTI) convoy. It was reported that the mini-bus sent from Tehsil Bara could enter PTI or Pakistani Awami Tehreek (PAT) rally in Islamabad. Miscreants had held special prayers for accomplishment of their mission before sending the vehicle, intelligence agencies said. The agencies have asked the concerned authorities to stay vigilant and obtain more information regarding the terrorists.