Youths seen jumping on and off the back of a bus in Leeds city centre
and live on Freeview channel 276
The pair were pictured hanging off the 27 bus shortly after 2pm on Thursday.
Posting the image on Twitter, Sarah Mumford said: "Hope this isn't a new craze."
"The two lads were yelling as they rode," she added.
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Hide Ad"They were jumping off when bus stopped then climbing back on when it set off! I'm not sure driver had any idea at all."
Sarah said people were "aghast" at their actions.
"I was with was very concerned about whether the bus driver knew they were there or not, another wondered why they weren't in school."
A First Bus spokesman said:
A First Bus spokesperson, said: “This kind of behaviour is hugely irresponsible and very dangerous, not only to those taking part but also for our driver, customers and other road users.
"The safety of our customers is our absolute priority and the youths involved are currently being identified by the police.”