SURUC, Turkey — Kurdish fighters battling ISIS militants for the Syrian town of Kobane employed a new tactic when a female suicide bomber blew herself up in an attack claimed to have killed dozens of militants. The young woman, a full-time fighter with the Syria-based Kurdish rebel group the People’s Protection Units (YPG), killed herself in the attack on Sunday, Kurdish sources said. Her name in Kurdish was Dilar Gencxemis but she went under the nom-de-guerre of Arin Mirkan, the YPG said in a statement. She was from the Syrian town of Afrin in the Aleppo province of northern Syria, just south of the Turkish border.