Security alert this morning

"With regard to the security alert this morning, NYS has advised anyone about to travel overseas (particularly USA) to consult the web pages of their particular airline for up-to-date information"...

After reading this email I just realised that sth happened in Heathrow airport this morning...
http://news.bbc.co.uk/1/hi/uk/4778575.stm

Following that, it seems that no hand luggages are allowed to board... only documents, glasses etc are allowed...