US warplane shot down Syrian jet near Raqqah

US warplane shot down Syrian jetA U.S. warplane shot down a Syrian jet on Sunday near the Islamic State-held city of Raqqah, according to US officials, creating the latest escalation between the U.S. and Syria since the civil war began six years ago.

The Pentagon said the U.S.-led coalition took the unprecedented move after a Syrian Su-22 attack aircraft bombed its allies who were fighting Islamic State militants south of the city of Tabqah, roughly 25 miles west of Raqqah.

A U.S.-backed alliance of Kurdish and Arab militia fighters known as the Syrian Democratic Forces, or SDF, is involved in a large-scale offensive on Raqqah, Islamic State’s self-declared capital in Syria.

About 4:30 p.m., Syrian forces loyal to President Bashar Assad attacked U.S. ground partners in the recently recaptured town of Ja

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