ANKARA - Turkish authorities have arrested two alleged members of the Islamic State militant group near the Syrian border on suspicion that they were planning a suicide bombing, officials said on Monday.The two men had been on the interior ministry's wanted list and were detained on Friday in the southeastern province of Gaziantep, the local governor's office said in a statement. They were believed to be plotting suicide attacks in Gaziantep or other cities, according to the governor's office.Two other men were also detained alongside the two would-be suicide bombers, it said. An official for the interior ministry separately confirmed the detentions of the four.