1.   It followed the discovery that many old people metabolise the drug much more slowly than normal.

2.   This followed the discovery of a large quantity of explosives under an apartment block in Ryazan shortly after the Moscow bombings.

3.   Three widely-prescribed drugs have come under question following the discovery that they led to serious undesirable side effects.

4.   Following the discovery of the explosives the president cancelled his visit to the locality.

5.   His statements on the latter issue threatened to revive the scandal which had followed discovery in February of the sale.

6.   Following the discovery, Israeli Prime Minister Itzhak Rabin addressed the Knesset.

7.   ENVIRONMENTAL monitoring on beaches at Sellafield have been stepped up following the discovery of a grass-like substance.

8.   An ex-postman in the village is now the subject of an investigation by the Post Office following the discovery of the undelivered letters.

9.   The action followed the discovery that a former patient at the hospital had contracted hepatitis B.