Nottinghamshire Police is sharing the advice to people following the attack in Tunisia.
Anyone affected or concerned about family and friends should call the Foreign and Commonwealth Office on +44 (0)207 008 0000.
Gunmen attacked the Imperial Hotel and Hotel Club Riu Bellevue at Port El Kantaoui, near Sousse, yesterday, and more than 40 people have been killed.
The majority are said to be British.
Any British nationals in these hotels or nearby should remain indoors, and contact their tour operator and the Foreign Office on the hotline number.
For security reasons they should not advertise their location on social media or when speaking to journalists.
The FCO Hotline number is +44 (0)207 008 0000
The Foreign and Commonwealth Office (FCO) advise against all travel to:
- The Chaambi Mountain National Park area
- The Tunisia-Algeria border crossing points at Ghardimaou, Hazoua and Sakiet Sidi Youssef
- The militarized zone south of, but not including, the towns of El Borma and Dhehiba
- Within 5km of the Libya border area from north of Dhehiba up to but not including the Ras Ajdir border crossing
The FCO advise against all-but essential travel to areas south of, and including, the towns of Nefta, Douz, Médenine, Zarzis (including the Tunisia-Libya border crossing point at Ras Ajdir)
within 30km of the border with Algeria south of, and including, the town of Jendouba (this area includes the archaeological sites of Bulla Regia and Chemtou) and the governorate of Kasserine, including the town of Sbeitla.
More information https://www.gov.uk/foreign-travel-advice/tunisia