Looks like there was not enough tension in the striker post and it has jumped off of the striker bar.
The "failure point" being the striker bar attachment point. <img src="http://www.catsailor.com/forums/images/graemlins/tongue.gif" alt="" /> Glad nobody was hurt or killed. <img src="http://www.catsailor.com/forums/images/graemlins/cool.gif" alt="" />