ERBIL (Reuters) - Iraq s security forces retook a border crossing with Syria from Islamic State militants on Friday, according to Iran-backed Shi ite militias who are taking part in the offensive. The road, which runs through al-Qaim in Iraq and Albu-Kamal in Syria, was recaptured after Iraqi forces entered al-Qaim on Friday, one of the last remaining towns in the country still held by the militants. 