Tributes have been paid to a Grammy-winning musician, known professionally as Talay Riley, who died in a double stabbing in east London. The 35-year-old singer-songwriter, whose real name was Mark Orabiyi, worked on tracks for artists such as Dua Lipa, Zendaya, Khalid, Flo and Chipmunk. Stormzy and JLS star Oritse Williams are among those who have sent condolences to Orabiyi's family, with rapper Wretch 32 posting: "Your brother was a gem & will be missed & never forgotten." Orabiyi was