Suffolk police detectives are investigating an early morning robbery Tuesday at a Holtsville 7-Eleven store as well as two robberies Monday in nearby Centereach, authorities said.
The robbery at the 7-Eleven, located at 811 Waverly Ave., was reported at 2:39 a.m., Suffolk police said.
Details of the robbery have not been released.
Police did confirm that detectives from the Major Case Unit are investigating the three robberies. On Monday, police released details of the two Centereach robberies and said detectives were investigating whether they were linked. Police have not said if they suspect the Holtsville robbery is connected to the two Monday.
The first of the Monday robberies occurred at 2:09 p.m. inside a Pizza Hut restaurant at 2082 Middle Country Rd. The second occurred at 7:45 p.m. inside a Domino's restaurant at 2430 Middle County Rd. Police said an undisclosed amount of cash was taken in each robbery.
Police did not cite any weapon used in the 7-Eleven or Pizza Hut robberies, but said a knife was displayed in the Domino's holdup.
Police are asking anyone with information regarding the three robberies to call Crime Stoppers at 800-220-8477 or Major Case Unit detectives at 631-852-6553. All calls will remain confidential.