GENEVA, March 11 (Reuters) - Entire families including

women and children were killed in Syria's coastal region during

a military crackdown against an insurgency by Bashar al-Assad

loyalists, the U.N human rights office said on Tuesday.

So far, the U.N. human rights office has documented the

killing of 111 civilians and expects the real toll to be

significantly higher, U.N. human rights office spokesperson

Thameen Al-Kheetan told a Geneva press briefing.

"Many of the cases documented were of summary executions.

They appear to have been carried out on a sectarian basis...,"

he told reporters.