In both places, counterdemonstrators heckled from the sidelines and called on the federal government to enforce its border laws.

He said 10:10 was an "important political movement" and called for political action to enforce compliance with a 10% emissions cut.

They ought to serve despite their profound objections to the policies they will be called on to enforce.

The angry settlers would not disperse easily, and federal soldiers were called in to enforce the new tax.

At the gates, frustration turns on the police, once again called on to enforce an industrial relations strategy.

We were called in twice to enforce the order, he spent a weekend in Saughton the second time.

Earlier, he recommended that 70,000 people who work for the state's executive branch undertake similar training, and called for an independent agency to enforce ethics laws.

The federal Progressive Conservative opposition feared liberal bias among judges, should courts be called upon to enforce rights.

Gorbachev was also called upon to enforce laws already passed but as yet barely implemented on property rights, land ownership, leaseholding and local economic autonomy.

A century later, they were called upon to enforce court-ordered desegregation of public schools.