"He's been suspended until we know what consequences this event has for him," Elisabeth Andreasson, business development director with Keolis, who runs Stockholm's bus traffic, told news agency TT.
The mother of the four-year-old boy says the doors closed on her arms as she stepped off of the bus with the baby carriage. The carriage was then dragged on the outside when the bus drove away.
The bus has been inspected and no technical problems were found. The family has filed a complaint with the police.