A key commander of the Tehreek-e- Taliban Pakistan (TTP), a banned militant group, has been arrested in Karachi. <br/><br/>The local media today reported the police launched a crackdown in Baldia town of the city on Thursday and arrested Zafar Hussain of TTP of Swat. <br/><br/>A pistol was also seized from his possession. Police said the arrested commander had carried out various terrorist attacks in Khyber Pakhtunkhwa province and was wanted by police for many years.<br/>