Local Turkish media report at least 20 people were wounded after a large blast rocked Turkey’s mainly Kurdish southeast region Friday. The explosion took place outside the police headquarters in the southeastern city of Diyarbakir after authorities detained two co-leaders of the country’s main pro-Kurdish party, along with 11 legislators in a major crackdown on leading Kurds. The cause of the explosion was not immediately known. Local media reported that a car bomb could have caused...