The incident happened at around 10.40pm at Bow Street Business Centre in Guisborough
Detectives want to speak to a suspected burglar who may have "suffered a head injury" during a break-in to ensure they're "safe and well".
The incident happened at around 10.40pm at Bow Street Business Centre in Guisborough .
Cleveland Police is investigating the burglary, which happened on Sunday, December 8, but also want to speak to one of the two suspects who may be injured.
A spokeswoman for the force said: "Two male suspects entered the centre and were disturbed by a member of the public.
"Cash and a phone were stolen before the men made off.
"One of the suspects, who is described as a white male of slim build, may have suffered a head injury during the incident and police wish to speak with this person in order to ensure that they are safe and well."
Any witnesses or anyone with information are asked to contact Detective Constable Bonnie Dowson from Redcar CID on the non-emergency number 101, quoting event number 209146.
Independent charity Crimestoppers can be contacted anonymously on 0800 555 111 or online at www.crimestoppers-uk.org.