Buses were pulled from the Shankill Road area on Sunday night after reports of children 'bricking' buses and passing cars.
Police said they received a report of kids throwing bricks at vehicles at the road's junction with North Boundary Street around 6.30pm on May 2.
It was further reported that two Metro buses were stoned in the same area.
PSNI Sergeant Bethel said: "Buses were pulled from the area for a time as a precaution. It’s concerning that young children, some of whom were believed to be around 10 years old, were involved in this incident.
"I’m appealing to those responsible to think of the potential consequences of such actions. It’s not just the follow-on disruption; you are risking the safety, even lives, of those on-board.
"We will continue to work alongside local representatives and partner agencies, but it is disappointing that some people continue to disregard our repeated warnings.
"Parents and guardians, I am appealing to you to do everything you can to prevent young people from becoming involved or caught up in these activities. Know where your children are, who they are with and what they are doing.
"Anyone with information should contact us on the non-emergency number 101."
Information can also be provided to Crimestoppers anonymously on 0800 555 111 or online at www.crimestoppers-uk.org
Translink has been contacted for comment.
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