An eyewitness told the newspaper that he heard at least five shots, as well as saw two people lying on the ground. Reports on social media also suggest that at least two people were shot, their condition is unknown so far.
The police in the canton of Bern confirmed to the newspaper that officers were carrying out a special operation. They said one man was stopped in connection with the shooting but did not provide any other details.
The Waffengasse street in Biel is currently cordoned off, the newspaper added.
On Wednesday, police found a dead body in a residential building in Lengnau, which they assume is a victim of a crime.