@CNN: Terror threat level raised to “critical” in UK after blast on London Underground train https://t.co/gd4CfciWNB https://t.co/rQnScIr7OZ
Terror threat level raised to "critical" in UK after blast on London Underground train https://t.co/gd4CfciWNB http://pic.twitter.com/rQnScIr7OZ
— CNN (@CNN) September 15, 2017