A spokesperson said Police Scotland ‘took action at demonstrations and protest events’ on Saturday but did not make any arrests.

The event is part of a series of celebrations marking the return of the Darwin200 Global Voyage – a two-year international conservation expedition.

Host of BBC quiz show The Hit List Rochelle Humes has a famous footballer uncle, Paul Ince, who was once England captain.

International criticism, including by allies, has grown as several hundred Palestinians have been killed in recent weeks while trying to reach aid.