The United States Embassy in the United Kingdom has issued a fresh security advisory urging American citizens to remain vigilant while in the United Kingdom, following a rise in the country’s terrorism threat level and concerns over potential attacks.

In the advisory released Friday, the embassy urged citizens to adopt precautionary measures, including maintaining situational awareness and limiting public exposure.

“Keep a low profile; remain aware of your surroundings; review your personal security plans,” the embassy stated, advising caution in public areas such as schools, hospitals, places of worship, tourist sites, and transportation hubs.

The warning comes after the Joint Terrorism Analysis Centre raised the national threat level from “substantial” to “severe,” indicating that an attack is considered highly likely in the near term.

The decision follows a stabbing incident in Golders Green, north London, which authorities have classified as a terrorist act. The attack reportedly targeted members of the Jewish community, heightening security concerns and prompting increased vigilance.

Police have charged a 45-year-old suspect, Essa Suleiman, described as a Somali-born British national, with multiple offences including attempted murder. A preliminary court hearing in the case is scheduled for May 15.

UK officials, however, emphasized that the elevation of the threat level was not based solely on the Golders Green incident. Authorities cited a broader and evolving security landscape, including risks from both radical Islamist networks and far-right extremist groups.

The UK last operated at a “severe” threat level in November 2021, following incidents such as the Liverpool Women’s Hospital bombing and the killing of MP David Amess.

Security officials described the latest advisory and threat level increase as precautionary, aimed at enhancing public awareness and preventing further attacks. They urged residents and visitors to remain alert while continuing normal activities.