Footage shows the moment a bystander catches an out-of-control stroller with a baby inside moments before it nearly rolled onto a busy four-lane highway in California.br br In the video, a woman can be seen standing by a car as the pushchair begins to roll away.br br She trips and falls multiple times as she tries to stop the child from slipping towards the busy road.br br A man is then seen running into shot and grabs the stroller moments before it rolls off the pavement, as the injured and panicked woman looks on.