South Windsor Police are investigating the assault of two men at Forced Induction Motor Sports, LLC on Edwin Street on Tuesday night.
Police identified the victims as Robert Lareau, 28, of Enfield, the business owner; and his employee, Ryan Kelleher, 21, of Windsor.
Kelleher called police at 9:20 p.m. to report that he and his boss had been beaten at the business, which is located at 51 Edwin St., police said.
Lareau was not responsive when police arrived.
Both had head and facial wounds and were taken to Hartford Hospital, police said. Lareau is in intensive care, according to police.
No guns were used, police said.
Police said they do not know what prompted the assault and they do not know if anything was stolen.
Investigators are reviewing surveillance video and are hoping to find the assailant or assailants.
Anyone who was in the area between 8:30 p.m. and 9:20 p.m. should call police at 860-644-2551.