1.   Both fragment when they explode, sending tiny bits of metal scattering in the air.

2.   Darrell Waltrip had just taken the checkered flag when his engine exploded, sending debris all over the Charlotte Motor Speedway track.

3.   The victims of the accident were milling in and around the mess tent when the shells exploded, sending metal flying.

4.   Seven people were killed when a spill at an oil pipeline exploded, sending a ball of flame shooting through a residential neighborhood.

5.   Fourteen people were injured when a chemical tanker exploded here sending up a toxic cloud, rescue workers said Sunday.

6.   Twenty-one people were injured when a chemical tanker exploded here sending up a toxic cloud, rescue workers said Sunday.