Police say two minors could eventually face charges after allegedly scaling Montreal’s Jacques-Cartier Bridge early Sunday.

Provincial police spokesperson Elizabeth Marquis-Guy says police received calls at about 4 a.m. about two people on a lower part of the structure.

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She says Quebec provincial police, the fire department, paramedics and representatives from the group managing the bridge were called to the scene.

Two minors were arrested at around 9 a.m. and could face charges.

Last fall a pair of environmental activists made headlines for climbing the bridge and forcing its closure during rush hour in what was described as a protest against fossil fuel extraction.

However, Marquis-Guy says there were no banners on Sunday or any other sign that the climbers were staging a protest.