Bangladesh, April 21 -- Islamic State (IS) attacks on the Syrian army and allied militias in central Syria have killed 35 soldiers over two days, a war monitor said early on Saturday.
Although Islamic State lost its last territorial enclave in Syria at Baghouz near the Iraqi border last month to US-backed forces, it still has fighters holding out in the remote central desert.
The monitor, the Britain-based Syrian Observatory for Human Rights, said the attacks constituted Islamic State's biggest military operation since losing Baghouz and involved assaults in several parts of central Syria.
The most intense attack was in the al-Koum area north of the ancient desert city of Palmyra, the Observatory said, where Islamic State militants kille...