Nato supply remained suspended for the fourth day in a row after Pakistani authorities ordered a halt on the supply trucks going to Afghanistan, a private TV reported on Sunday. According to security officials, about 200 Nato oil tankers and supply containers were stranded at the Torkham border on Sunday after being rejected clearance to proceed. Security forces also sent Nato trucks and containers back to Peshawar from another check-post near the border. The order to suspend the supply trucks from passing through Torkham border into Afghanistan came after Nato helicopters conducted strikes inside Pakistan.