Demonstrators gathered outside a petrol station in Exeter as part of the campaign by Greenpeace to free a group of activists being held in Russia.
They claim Shell is complicit because it's a partner of the state-backed Russian oil company Gazprom.
Three people from Devon are among 30 awaiting trial following a protest at a drilling rig in the Arctic.
Parents of two of them joined the protest:
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Bob has the forecast for Devon, Cornwall, Somerset and Dorset.
Bob has the forecast for Bristol, Somerset, Wiltshire, Gloucestershire and Dorset
Two theatres in Devon have cancelled all their upcoming shows, after the trust which operates them went into administration.