Much of the destruction caused by a nuclear explosion is due to blast effects. It was a massive, massive explosion. The risk of subsequent explosion or fire is significant. Monsoor died about 30 minutes later from wounds caused by the grenade explosion. A massive population explosion in Europe brought wheat prices up. The force of the explosion was enormous. Eleven workers were presumed killed in the initial explosion. Another man died later from injuries sustained in the explosion. Parents were separated from their children attending the concert in the aftermath of the explosion. Adding to the chaos were fears of a potential second explosion. Military commanders did not understand the physics involved in a nuclear explosion. The former is killed in an ambush intended for Helm, the latter in an explosion. They were reported missing after the explosion. The salvagers recovered bodies of 849 crewmen killed during the explosion. This excludes civilian deaths in war-time incidents like the Halifax Explosion.