Trucks with slogans such as "Brexit carnage" and "incompetent government destroying shellfish industry" parked meters from Johnson's 10 Downing Street office in central London. Police were asking the lorry drivers for details.
'Brexit carnage': Fishing trucks protest near Downing Street
Many fishermen have been unable to export to the EU since catch certificates, health checks, and customs declarations were introduced at the start of this year, delaying their deliveries and prompting European buyers to reject them.