London (CNN) Around a dozen climate change activists stripped down to their underwear and glued their hands to various surfaces in the House of Commons' public gallery as lawmakers debated Monday's vote on Brexit alternatives on the floor of the Chamber below.

The protestors, who had slogans like "stop wasting time" painted on their chests, were attempting to draw "politicians' attention to the climate and ecological crisis," environmental group Extinction Rebellion said in a statement.

Speaker of the House John Bercow told lawmakers to press on with the debate.

Conservative MP Nick Boles made light of the situation, joking whether it was a "coincidence" that among his colleagues were "noted naturists."

"But, Mr Speaker, it has long been a thoroughly British trait to be able to ignore pointless nakedness and I trust that the House will now be able to return to the issue that we are discussing," he added.

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