Police in London are reporting that serious security incidents have occurred on the evening of June 3 on London Bridge and at the nearby Borough Market. U.S. citizens in London are urged to avoid those areas and to follow local media and other information sources for additional guidance. You can follow police updates directly via Twitter at @metpoliceuk.
Review your personal security plans, remain aware of your surroundings, especially in crowds or at large events, and monitor local news sources for updates. Be vigilant and take appropriate steps to enhance your personal security.
If you are a U.S citizen in the United Kingdom and you are safe, please let family and friends know, including by updating your status on social media.
Source: Overseas Security Advisory Council