A bomb exploded near a police checkpoint on bridge in an affluent Cairo neighborhood on Sunday, killing an officer

A bomb exploded near a police checkpoint on bridge in an affluent Cairo neighborhood on Sunday, killing an officer, Egyptian police officials said.
  
The bomb had been placed next to the checkpoint on a side of the May 15 bridge located in the neighborhood of Zamalek, the officials said.
  
Two people were wounded in the blast, which tore the victim's body to pieces, a health ministry official said. An AFP correspondent said there was a pool of blood next to the checkpoint.
  
Militants have repeatedly set off bombs in Cairo targeting police checkpoints and vehicles.