PESHAWAR: Security officials at Peshawar airport detained a US diplomat on Tuesday morning, sources said. According to the airport sources, the detained US diplomat named Willian Charles was carrying bullets with him due to which he was held. Airport Security Force (ASF) has kicked off the interrogation. He was traveling from Peshawar to Islamabad via PIA PK-218 flight, sources added. Government sources told that the US diplomat has immunity and he would be handed over to the consulate along with a letter, stating the violation of Pakistani law and carrying illegal weapon.