Gunshots were fired at City Computers, Bertram Road, Smethwick at around 12pm on Thursday, leaving two men hurt.
The two men, in their 40s, were treated for their injuries, with a West Midlands Ambulance statement saying: “We were called to a police incident on Bertram Road, Smethwick, at 12.16pm.
“An ambulance, a paramedic officer, a MERIT trauma doctor and critical care paramedic were sent to the scene where, on arrival, crews found two patients, both men.
“The first was treated for minor injuries by ambulance crews,” the statement continued.
“Staff treated the second man for minor injuries, but he did not wish to go to hospital and was discharged at the scene.”
Police now want people with mobile phone footage, CCTV or ring doorbell footage that could help the investigation to come forward.
“We need anyone who may have captured anything relevant at the time of the shooting to contact us,” officers said on Sunday.
“Alternatively if you would like to speak to us, then please call us on 101 quoting 20/80288/23,” the statement continued.
“Two men have been arrested on suspicion of attempted murder and are currently in custody helping us with our enquiries”.