TAL ABYAD, Syria Unknown combat drones have targeted two US military bases in Syria, according to local sources. The US military base in Al-Omar oil field in the Deir ez-Zor province, eastern Syria, came under attack on Sunday evening by multiple kamikaze drones, local sources told Anadolu. The sirens were sounded in the area of the military base with US military aircraft flying over the area, the sources added. Later, the US troops deployed in the base targeted with artillery shells the