Miami Beach police are investigating a pair of armed robberies on South Beach.

A perimeter was set up between Alton Road and Jefferson Avenue and 6th and 9th Streets as detectives looked for the robber early Tuesday, who was believed to have fled on foot in the area.

People were kept from entering the perimeter as the investigation continued.

The conditions of the victims was not immediately released.

Anyone with information is asked to call Miami Beach Police or CrimeStoppers at 305-471-TIPS.