The Turkish military and allied Syrian forces have taken "total" control of the town centre of Afrin, the target of an offensive against the Kurdish militia.

Turkish troops and allied opposition fighters have begun a siege of the Syrian Kurdish-held northern town of Afrin.

Turkey has said eight of its troops were killed in Ankara's military operation against a Syrian Kurdish militia, the deadliest day in the two-week-old offensive in the enclave of Afrin.