The Foreign and Commonwealth Office has today announced several new travel warnings for Britons:

France: 'Yellow vest' demonstrations potentially resulting in road blockages, violence, police presence

Spain: Riots in Barcelona and elsewhere in Catalonia following imprisonment of separatist politicians

Portugal: Influx of Brits for Rangers vs. Porto football match could result in fan conflict

USA: Hurricane season could produce travel disruptions through 30 November

European Union: Brexit could cause rapid changes in passport, visa, travel insurance requirements