A man in his mid-70s has been shot in the head with a suspected BB gun as he loaded his shopping at Aldi.
Police say the man, was struck in the side of the head at the Darlington Back Lane Store in Stockon on Monday afternoon.
Police have confirmed he was left shaken and had a small injury which he did not require medical treatment for.
An elderly lady also fell to the ground at the same time and scraped her knees but she did not contact the police to report this incident.
Cleveland Police want her to get in touch so they can check she is safe and well.
Officers believe the injury was caused by a BB or airgun pellet.
A member of the public chased two teenage boys who are believed to have been responsible.
Police are asking for this person to come forward as they may have vital information.
A force spokesperson said: “We would also appeal for anyone else who was in the area around 2 pm yesterday to contact police if they believe they saw this incident or if they’ve captured it on their vehicle’s dashcam.
“Please contact Cleveland Police via the 101 number, quoting Event 42418.”