Police Scotland received a report of a break-in at the Clutha bar in Glasgow at around 2.20am yesterday.
Two boys aged 16 and 18 and two 16-year-old girls were arrested in connection with alleged thefts.
They are expected to appear at Glasgow Sheriff Court today.
A report will be submitted to the procurator fiscal.
The funeral of the 10th victim of the helicopter crash will take place today at South Lanarkshire Crematorium, Blantyre.
Pub customer Joe Cusker, 59, was inside the pub when the police helicopter crashed through the roof on November 29.