 From their teens to early twenties , Mosley and his brother were involved with their father 's post @-@ war party , the Union Movement ( UM ) , which advocated a united Europe as its core issue . Trevor <unk> , a central figure in the UM 's Youth Movement , writes of the 16 @-@ year @-@ old Mosley painting the flash and circle symbol on walls in London on the night of the Soviet Union 's invasion of Hungary ( 4 November 1956 ) . The flash and circle was used by both the UM and the pre @-@ war BUF . He also says Mosley organised a couple of large parties as a way " to get in with lively , ordinary , normal young people , girls as well as boys , and attract them to the Movement by showing that we were like them and didn 't go on about Hitler and <unk> , Franco and British <unk> all the time . " Mosley met his future wife Jean at such a party . Mosley and Alexander were photographed posing as Teddy Boys in Notting Hill during the 1958 race riots between Afro @-@ <unk> and local white gangs of Teddy Boys . The following year , they <unk> for their father when he ran as a Union Movement candidate for the nearby Kensington North seat in the 1959 General Election . 
