They had painted the word "lies" in large green letters on the glass front doors of the building as other protesters held up a banner.
"Officers attended and two women aged 33 and 47 were arrested on suspicion of criminal damage. Both remain in custody," a police spokesman said.
Extinction Rebellion, whose protests brought parts of London and other cities to a halt last year, has said it is restarting mass demonstrations this week having paused them earlier in the year due to the coronavirus. (Reporting by Marc Jones; editing by Stephen Addison)
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Two climate protesters arrested in London as demonstrations resume
LONDON, Aug 28 (Reuters) - Police arrested two climate activists on Friday as the resumption of Extinction Rebellion's protests following a coronavirus-forced hiatus saw the pair target oil firm Shell's main London office.