Actors Imelda Staunton, Jude Law and musician Damon Albarn condemned charges of piracy against 30 Greenpeace activists following an Arctic oil rig protest as "ludicrous" as they joined worried relatives in a vigil outside the Russian Embassy.
The stars along with Paul Simonon of the band The Clash, said the arrests were an international disgrace and a personal blow as they are friends with detainee Frank Hewetson.
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The US president enjoyed rousing support for his political agenda as a formerly hostile audience cheered his plans in office to the rafters.
The former leader said the party needed to learn lessons after his successor Paul Nuttall failed to unseat Labour in a hard-fought campaign.
Toddler Harry Studley was left blind in one eye after Jordan Walters, 25, shot him in the head with an air rifle last year.