The Associated Press
Saturday, May 31, 2008; 2:28 AM

GAZA CITY, Gaza Strip -- An explosion in the house of a Hamas militant killed him and wounded 16 of his relatives and neighbors, health officials said Saturday.

Doctors say two are in critical condition.

The Palestinian Interior Ministry says it's investigating the cause of the blast at the home of Hamas activist Nader Abu Shaban.

Hamas officials say Abu Shaban was handling explosives just before the blast.