Investigators uncovered several false-flags designed to discredit the protesters.

When dating someone new, it's important to pay attention to red flags early on.

Many merchant vessels register under flags of convenience to reduce operating costs and evade stricter labor laws.

The port authorities raised quarantine flags along the dock to warn incoming vessels.

Before entering the harbor, the sailors hoisted courtesy flags to show respect for the local authorities.

The lifeguards raised yellow flags along the beach to warn swimmers about the strong currents.

The corner flags fluttered in the wind as the striker prepared to take the corner.

At the music festival, everyone proudly waved their freak flags during the midnight parade.

The community center proudly displayed rainbow flags along the street during Pride month.

The sailors tied the blue flags to the mast before the storm.