Security is of paramount importance for French authorities ahead of Euro 2016.
The murders in Paris, including the attack on the Stade de France, have led authorities to rethink plans and boost the budget.
From an initial estimate of €12m costs have doubled.
newsofbahrain) <a href="https://twitter.com/newsofbahrain/status/729779853231296512">May 9, 2016</a></blockquote> <script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script> <b></b> Fan zones will be of particular concern. <b></b> Anne Hidalgo is the mayor of Paris: ''The fan zones will be entirely sealed off with barriers. Entrances and exits will be completely secured with tight controls, double security checks. The protocol outside large stadiums, in particular the Stade de France is as follows fans will be frisked, controlled, go through security gates. There'll also be sniffer dogs." <b></b> <blockquote class="twitter-tweet"tw-align-center data-lang="en"><p lang="en" dir="ltr">Paris Mayor Anne Hidalgo says huge fan zone set up in capital will meet the "highest security standard" <a href="https://twitter.com/hashtag/EURO2016?src=hash">#EURO2016</a> <a href="https://t.co/TpOKUwCh1A">pic.twitter.com/TpOKUwCh1A</a></p>— FOX SPORTS News (FOXSportsNews) May 9, 2016
France has extended the state of emergency after the Paris killings and security will be tight in the nine cities hosting matches in the Euro 2016.
Bordeaux, Lens, Lille, Lyon, Marseille, Nice, Paris, St Etienne and Toulouse.