21.   A Norwegian dog unit patrols the perimeter fencing day and night.

22.   They are protected by the Israeli army and joint Israeli-Palestinian units patrol highways leading to the settlements.

23.   Witnesses reached by telephone from Lagos said anti-riot police units were patrolling the streets.

24.   Villagers reported no fighting in the area and regular Zairean army units patrolled the roads and manned barriers.

25.   Joint Israeli and Palestinian units are already patrolling two Palestinian-autonomous areas -- the Gaza Strip and Jericho.

26.   Mounted police manned the stadium entrances while mobile units patrolled outside.

27.   Military units patrolled the streets of Ottamawadi in the eastern district of Batticaloa as communal violence spread from the neighbouring district of Trincomalee, officials said.