21.   Four devices were discovered Thursday at the Washington office of a Saudi-owned Arabic daily newspaper, Al-Hayat.

22.   A man who was passing nearby when the device was discovered complained of sickness and was taken to hospital.

23.   When the device was discovered, police immediately evacuated the building and a special squad was called in to neutralise it, Detective Bernard Gifford said.

24.   It was the first time that time-delayed devices have been discovered on mortars, security officials said.

25.   No explosive device was discovered.

26.   Police said two other devices were discovered and defused in a follow up search, which continued until morning.

27.   Shortly thereafter, a similar device was discovered and defused, the intelligence services said without giving any more details.

28.   The four-kilogram TNT device was discovered by security guards in a plastic bag.

29.   The incendiary device was discovered in a box hidden in a furniture shop in the Protestant district of Newtonards in eastern Belfast.