French police check vehicles at the France Italy border in La Turbie, southeastern France, Saturday, Nov. 14, 2015.

European capitals reinforced security checks and governments held emergency cabinet meetings on Saturday a day after a series of attacks in Paris in which at least 128 people were killed and hundreds wounded..

Security measures were stepped up outside French official buildings in various capitals including Vienna, where a international meeting on the conflict in Syria was taking place.

Additionally, Russian defense bodies have also introduced additional anti-terror security measures, Russian Deputy Prime Minister Dmitry Rogozin said on Saturday.

Governments also called for heightened vigilance from the general public.

Britain’s Foreign Office updated its travel advice for France urging its citizens to “exercise caution in public places” while Belgium said its nationals should avoid unnecessary travel south of the border altogether.

British Prime Minister David Cameron said he would review national security after talks with key ministers at Downing Street.

Similar meetings were being held by governments across Europe, including in Austria, Germany, Italy and Spain.

Islamic State of Iraq and Syria (ISIS) militants on Saturday claimed the series of coordinated attacks by suicide bombers and gunmen in Paris at a concert hall, restaurants and the national sports stadium.

Act of war

French President Francois Hollande also blamed the Islamic extremist group and called the coordinated assault on Friday night at six different sites an “act of war”.

Here are some of the key developments in Europe:

– Britain: London’s Metropolitan Police assistant commissioner Mark Rowley said: “We are strengthening our policing stance across the country at the moment.”

The French embassy in London said on Twitter that it was “in close contact with British authorities to ensure the security of the French community,” which is estimated to number around 300,000 people.

– Russia: In addition to new security measures, the National Anti-Terrorism Committee said in a statement carried by Russian news agencies that the country’s security had been put on high alert.

– Germany: German Chancellor Angela Merkel said she would chair an emergency meeting to discuss “the situation in France and all related questions.”

– Belgium: The Belgian authorities boosted checks at the French border and called for greater vigilance at major events over the weekend but said it was not necessary to increase the alert level.

– Italy: Italian Prime Minister Matteo Renzi announced reinforced security across the country and was to hold a meeting at the interior ministry.

– Poland: Poland said it was increasing checks on departures and arrivals of flights to and from “potentially at-risk destinations.”

– Spain: Spanish Prime Minister Mariano Rajoy cancelled a political meeting in Barcelona, five weeks ahead of parliamentary elections, and was due to chair a national security council meeting.

– Austria: The French lycee in Vienna, where exams were due to be held on Saturday, was closed and city officials cancelled a popular Christmas market.

– Switzerland: Police in Switzerland said security was being stepped up outside French diplomatic buildings and at the border with France.

– Sweden: Prime Minister Stefan Löfven was holding a natural security council meeting but a scheduled Sweden-Denmark football match was still going ahead.

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