Sgt. Dennis Beacham tells The Associated Press Sunday that arrests have been made. But he declined to elaborate, saying an official announcement would be made Monday.
Persons familiar with the investigation tell the Los Angeles Times one of the suspects was taken into custody Friday and another on Saturday.
The Times says investigators had strong evidence linking the men to Thursday's brazen robbery. Prosecutors will decide this week whether to file charges.
The men were not identified and police did not release details of the arrests.
One employee was stabbed and another was sexually assaulted before the three-hour ordeal ended early Friday at the Nordstorm Rack store in LA.
(Copyright 2013 by The Associated Press. All Rights Reserved.)