Tensions rachet up as Israel blamed for Syria missile strike

In this photo released by the Syrian official news agency SANA, soldiers and residents gathering near a bus carrying civilians who were released by the Army of Islam group that had been holding them since 2013, in Damascus, Syria, early Monday, April 9, 2018. Syrian state media is reporting that dozens of civilians who had been held for years by a rebel group near the capital Damascus have been freed. (SANA via AP)

BEIRUT — A suspected poison gas attack in a Syrian rebel-held town and airstrikes on a Syrian air base that Damascus and Moscow blamed on U.S. ally Israel escalated tensions in the already volatile Mideast on Monday and raised the threat of possibly imminent American retaliation.