http://www.dailymail.co.uk/news/article-3670535/Pro-ISIS-twitter-account-threatens-attacks-London-Heathrow-Los-Angeles-New-York-s-JFK-airports-July-4-weekend.htmlPro-ISIS twitter account threatens attacks at London Heathrow, Los Angeles and New York's JFK airports on July 4 weekend
Account warned there would be a 'device placed' at one of the airports
Threat was revealed by respected counter-terror group SITE Intelligence
It comes three days after suicide bombers killed up to 50 in Istanbul
ISIS also claimed responsibility for Friday's attack on cafe in Dhaka, Bangladesh
TSA already expecting chaos as record 43 million Americans travel
Airports and train terminals on high alert for the holiday weekend
By Charlie Moore For Mailonline
Published: 14:10 EST, 1 July 2016 | Updated: 16:36 EST, 1 July 2016
A pro-ISIS twitter account has threatened attacks at London Heathrow, LAX and New York's JFK airports over the July 4 holiday weekend.
The account said that attacks would be carried out on planes 'flying from Heathrow [Airport] to the US' and warned that 'there will be a device placed in either Heathrow, LAX or JFK airports.'
The threat was revealed by SITE Intelligence Group - the world's leading non-governmental counterterrorism organization - on its website.
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