The Pakistan Cricket Board (PCB) on Monday demanded Shahid Afridi explain why he criticised coach Waqar Younis, saying the one-day captain had violated the code of conduct. Afridi criticised Younis for interfering in team selection during the 3-2 one-day series win over the West Indies. \"Waqar interferes with the team selection and everyone should do his job,\" Afridi said on his return from the West Indies Sunday. \"PCB has taken notice of the statements made by Afridi in the media about the differences within the tour management in West Indies. It is a violation of code of conduct on part of Afridi,\" the PCB said. \"An explanation has been sought from him for the reasons to make such statements publicly. PCB will take appropriate action after submission of the tour-report at the conclusion of the tour.\" Pakistani media last week reported that serious differences had emerged between Afridi and Waqar during this year\'s World Cup. Pakistan reached the semi-finals in the tournament, jointly hosted by India, Sri Lanka and Bangladesh, before being beaten by India who went on to win the championship.