KABUL - At least two suspected Taleban fighters were killed and 12 others arrested after an armed clash between police and militants in Afghanistanâs southern province of Helmand, an interior ministry spokesman said on Tuesday. The clash occurred Monday after a group of Taleban loyalists ambushed a convoy of Afghan police in the Nahr-e-Saraj district of Helmand province, spokesman Yousif Stanikzai told DPA. âThe police returned fire, killing two of the militants and arresting 12 others,â Stanikzai said, adding that three policemen were also wounded.Three other militants were arrested during a raid on a militant safehouse in the southeastern province of Logar, Stanikzai added. Police had conducted the raid following local intelligence indicating that Taleban loyalists based there were planning a suicide bombing in Kabul. Two militant suspects however managed to escape.