Israeli police inspectors stand next to a bus damaged in an explosion March 23, 2011 in Jersalem, Israel. A bomb exploded near a crowded bus, wounding passengers in what appeared to be the first militant attack in the city in several years.

Israeli rescue workers and paramedics carry an injured man to an ambulance after an explosion near a bus stop March 23, 2011 in Jerusalem, Israel.

In this handout from the Israeli Government press Office (GPO), Police inspect the scene of an explosion sits at a bus stop March 23, 2011 in central Jerusalem, Israel

In this handout from ZAKA, Ultra Orthodox ZAKA volunteers clean up at the scene after an explosion near a bus stop March 23, 2011 in central Jerusalem, Israel. According to reports, at least 25 people were wounded when a bomb went off at a crowded central Jerusalem bus stop.