SEATTLE, Wash. -

Seattle demonstrators taking part in a national day one-day protest of low wages for fast-food workers started Thursday with a rally a Cal Anderson Park.

Organizers said strike locations would be announced through the day, followed by a 4 p.m. rally at Westlake Park in downtown Seattle.

Demonstrators are calling on corporations to pay employees $15 an hour. Businesses say such pay hikes would hurt their ability to create jobs.

The protests are backed by the Service Employees International Union. The National Restaurant Association called the actions big labor's attempt to push its agenda.