LONDON: At a London sports ground, Maya Hassan looks on with pride as about 30 women, almost all Muslim and ethnic minorities, join a self-defence class she has organized in response to a wave of riots that have seen violent and racist attacks. Muslims and migrants. The 28-year-old martial arts expert said she wanted to help women of color learn how to deal with abuse and build connection and confidence after more than a week of riots targeting mosques, hotels for asylum seekers and police. .