21.   A Gwinnett officer wearing protective equipment and a police dog were in the building this afternoon searching for evidence or any other possible explosive devices.

22.   After blowing up the bridge, the rebels left behind a car bomb and four other explosive devices, officials said.

23.   After six days of deliberations, the jury acquitted Nichols of murder charges in the death of eight federal agents and of a charge of using an explosive device.

24.   Agents were apparently concerned about triggering a booby-trapped explosive device.

25.   After the triple shooting, police in the Dallas bedroom community discover four explosive devices in the ramshackle home of the suspect, William George Jacobsen.

26.   British investigators used metallurgists, however, to prove that it was a timed explosive device, a finding the FBI later confirmed.

27.   But its efforts were overshadowed today by the discovery of explosive devices at the Manila airport and near the APEC summit site at Subic Bay Freeport.

28.   But law enforcement officials involved in the investigation said it was their view that a variety of circumstances point to an explosive device as the most likely culprit.

29.   But none of the pieces have emerged from the laboratory with a clear signature of an explosive device.

30.   But not one matched the explosive device found in the wreckage, said Dr. Anthony Busuttil, a forensic pathologist at Edinburgh University who participated in the Lockerbie investigation.