Photos show anti-Uber protests around the world

Montreal andToronto are twoof 11 Canadian locales where Uber operates.

*Edmonton, Kitchener-Waterloo, London, Windsor, Hamilton, Niagara Region, Kingston, Ottawa and Quebec City are the others.

Quebec's transportation ministry and the mayor of Montreal haveasked the company behind UberXto suspend operations until acommittee can find a way to level the playing field between the popularride-hailing app andlegacy taxi companies.

• Mass UberX protest by Montreal taxis sparks official calls to suspend app

An anti-Uber protest planned for Toronto has been put off on account of the NBA All-Star Game this weekend,but demonstrations have been heldin cities around the world asdrivers of traditional cabs, and the companies they work for, react to the spread of Uber.

In London, thousands of black-cab drivers blocked Whitehall, where British government administration is centred.

Protesters in Paris burned tires in anger over Uber.

Uber drivers in some countries have been fined

but mostly reaction has come in the form of protests by taxi drivers.

Uber is shaking up the cab business.