A group of pro-Palestine activists have occupied a building in central London after throwing red paint over its entrance and covering it in graffiti.
"Palestine Action" targeted One Eagle Place, Piccadilly, which is home to the offices of Leonardo UK - a defence and security firm.
The group accused the company of bing "suppliers of weaponry for Israel's fighter jets".
It added: "106 years ago today, Britain signed away the land of Palestine.
Graffiti and red paint covered the central London buildingGraffiti and red paint covered the central London building
Spray paint demanding 'free Palestine' covered the entrance to the building
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WATCH: Palestine protester occupies building
"It’s now up to the people to end the ongoing complicity in genocide."
A man could be heard chanting: "Stop the arms trade, end the struggle, free, free Palestine."
Messages on the building included "free Palestine", "free Gaza", and "terrorists".
Leonardo UK is one of the biggest suppliers of defence and security equipment for the Ministry of Defence.
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The protesters targeted the building on Thursday morning
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One arrest has since been made by the police, while another person continues to occupy the building.
The Met Police said: "A man is in police custody after he was arrested by officers on suspicion of criminal damage following a protest in Eagle Place, Piccadilly.
"Messages about the conflict between Israel and Hamas have been painted onto the building in red paint, which has also been thrown at the front of the premises.
Police have arrested one of the Palestine protesters
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"One other person is currently on the canopy above the entrance to the building.
"Officers are dealing with this man and once he is down safely will seek to arrest him for any offences."
Protesters have also today targeted the Foreign Office with red paint.
Meanwhile, pro-Palestine protesters also occupied St Pancras train station.