21.   In recent days police have complained about a spate of bomb hoaxes in Jakarta and other centers.

22.   Jakarta Military Commander Maj. Gen. Sjafrie Sjamsoeddin announced yesterday that Jakartans should no longer worry about the bomb hoaxes as security authorities had arrested the prank callers.

23.   Last week two bomb hoaxes delayed flights to Rome.

24.   Meanwhile police in Jakarta said they were guarding several major buildings after a spate of bomb hoaxes by anonymous telephone callers.

25.   She said school officials believed the bomb hoax was unrelated to the earlier written threats.

26.   Several Belfast hotels were evacuated in phoned bomb hoaxes.

27.   The Catholic-based IRA, fighting to end British rule in Protestant-dominated Northern Ireland, often takes days to claim responsibility for attacks or bomb hoaxes.

28.   The race was postponed for two days when a bomb hoax at the Aintree racecourse forced the evacuation of spectators.

29.   There have also been a bizarre wave of bomb hoaxes sent to the heads of the Gypsy, Hungarian and German minorities.

30.   Throughout Friday, authorities noted a spike in the number of bomb hoaxes, including a threat against the Verrazano Bridge, said police Commissioner Howard Safir.