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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Saffie Roussos, believed to be eight years old, was described as a "beautiful little girl".
The first victim of the Manchester bombing has been named as Georgina Callander, a student from Lancashire.
A 23-year-old man has been arrested in connection with the attack at Manchester Arena last night.