As a result, the city has halted work on what it says was an unauthorized extension to the building.

This year the group, facing financial difficulties, halted work at the site.

A special effort will be made to halt illegal work done by unlicensed individuals with no public safety review.

The workers also halted work on Thursday, until a settlement was negotiated.

But even the campaign's most ardent supporters said they did not think their efforts would halt work on Monday.

The city halted work on the bridge on August 27.

Musical and personal differences halted work on a second studio album.

The company halted work on the drug, which never made it to market.

"I'd halt work on it the day after tomorrow," he said.

In that incident, too, a prior accident at the site had failed to halt work.