21.   As a result of their investigations into the accidents, the American aviation authorities have imposed certain flying restrictions on the Robinsons which will also be applied in Switzerland.

22.   Authorities had imposed a deadline for the tribesmen to let the hostages go or be attacked by government forces.

23.   Authorities have imposed a quarantine on Nizhnecheremoshnoye and placed armed guards on all roads leading to the village, he added.

24.   Authorities imposed a curfew and called in the army to control the town.

25.   Authorities imposed a curfew in several parts of Ahmadabad city after Hindus and Muslims fought with handmade bombs, knives and steel rods in three adjoining residential areas.

26.   Authorities imposed a curfew in the worst-affected areas and polling was suspended in dozens of booths.

27.   Authorities imposed a curfew on Sunday in an area of the city where eight shops were set ablaze.

28.   Authorities imposed a curfew on the regional capital, Srinagar, and several other towns.

29.   Authorities imposed a curfew on the town.

30.   Authorities imposed a dusk-to-dawn curfew to try halt the fighting, which broke out Friday evening during Muslim prayers.