Syria force says 'thousands' still inside last IS pocket

US-backed forces said Sunday thousands of people were believed to still be inside the last Islamic State group enclave in eastern Syria, as they sought to flush out die-hard fighters with airstrikes and shelling.Tens of thousands of dishevelled women, children and men have streamed out of a small pocket in the village of Baghouz near the Iraqi border in recent weeks -- and they still keep coming.The huge numbers have flummoxed the Syrian Democratic Forces (SDF) and slowed down their offensive ai