Climate activists from the Extinction Rebellion group glued themselves to the street entrances to the British parliament on Thursday.
The activists said the government had done little to reach its own "inadequate targets" to tackle climate change, so they had to take action to ensure politicians took what they cast as the environmental emergency seriously.
Police spoke to activists on the ground, making several arrests once they could be safely freed from the pavement.
Extinction Rebellion launched a series of coordinated protests in central London on Tuesday to coincide with lawmakers' return to parliament after the summer recess.
The group had been largely inactive for several months after a forced hiatus brought about by the coronavirus pandemic.