Whitehall has been closed off as police deal with an incident. Met Police say they are assisting the MOD Police and a 29-yr-old has man has been arrested. There are no reports of any injuries, nor any known risk to the public, according to the Met. <br /> Report by Etemadil. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
