Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. 13 Injured in Gaza Training Site Blast VOA News 20 October 2010 A Palestinian schoolboy injured in the blast receives treatment at a hospital in the southern Gaza strip town of Rafah, 20 Oct 2010 Photo: AP A Palestinian schoolboy injured in the blast receives treatment at a hospital in the southern Gaza strip town of Rafah, 20 Oct 2010 Leaders of the Palestinian militant group Hamas say five children and three women were among 13 injured after a blast at a Hamas base in the Gaza Strip. Â The powerful explosion Wednesday ripped through the Hamas al-Qassam Brigades military training facility in the southern Gaza Strip. Â In a statement, Hamas did not give a cause for the blast. The Israeli military says it was not involved. The blast shook through the densely crowded Tel As-Sultan neighborhood in Rafah. Hamas said the injured were hit by flying glass shrapnel. The Gaza-based Palestinian Center for Human Rights has repeatedly called on the territory's Hamas rulers not to store explosive materials in civilian areas. A weapons explosion in August wounded 58 people and destroyed seven houses. Some information for this report was provided by AP. .