CCTV footage released by Greenpeace shows a number of men in balaclavas reportedly break into their offices in Murmansk, Russia.
The group said a mock cage, due to be used in a stunt as part of a campaign today, was taken from their premises.
Russian authorities are holding 30 activists and journalists following the capture of their boat during a stunt to highlight the environmental impact of Arctic drilling.
A court in Russia has charged the activists, and accompanying journalists, with piracy. They are currently imprisoned in jails in Murmansk, in the very north of Russia, and could face up to 15 years in jail.
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The AA found 29% of young drivers admitted to drinking and driving the following morning even if they thought they could be over the limit.
Metal girders fell down and the roof collapsed onto worshippers during a service, witnesses said.
The tanker slammed into other vehicles and burst into flames on a major road leading from the capital Nairobi.