Panic In Cities Across The World As Fear Of A Copycat Attack Grips New York, Washington, D.C., London And Other Cities -- Daily Mail
* NYPD has 'stepped up security' at hotels and other landmark locations
* The White House increased security around the perimeter
* London Marathon officials are reviewing their security plans for this Sunday's race
* Air travel into Boston was temporarily stopped but has since resumed
* Increase security at two nuclear power plants near Boston
The two bombs detonated in Boston near the finish line of the marathon sent a wave of panic across the country as fears of a copycat attack gripped cities from Washington, D.C. to New York.
'We're stepping up security at hotels and other prominent locations in the city through deployment of the NYPD's critical response vehicles (CRVs) until more about the explosion is learned,' NYPD spokesman Paul Browne said.
Security was increased at the White House and Pennsylvania Avenue has been shut down.
London Marathon officials are reviewing security plans for its race this Sunday.
Read more ....
More News On Cities Worldwide Stepping Up Security After The Boston Marathon Bombing
Cities worldwide step up security after twin blasts at Boston Marathon -- Washington Post/AP
Security stepped up worldwide after Boston blasts -- CBS
London race security under review after Boston blasts -- Reuters
Boston blasts prompt UK review of London Marathon -- Breitbart
Boston Blasts Prompt UK Review of London Marathon -- ABC News/AP
London Marathon security to be reviewed after Boston attack -- The Guardian