What do you do when told you are "racist scum" for the mere fact that you are Israeli and screamed at that "Israel is a terror state"? You sing Hebrew songs!
See and hear what happened when a group of twelve Israeli tourists by chance saw an anti-Israel protest in London's Covent Garden on the weekend:
http://richardmillett.wordpress.com/2010/09/12/ahava-london-911-2010/