lots of conflicting info at the moment
a post on airliners.net, apparently sourced from the uk early morning news, mentions an attempted cockpit intrusion -
http://www.airliners.net/discussions....main/1670780/
the news here seems to be reporting a bomb threat in addition, possibly called in from the terminal?
i hope it's just a nutter, and i hope they go to jail for 30yrs.