Filed at 5:01 a.m. ET
VIENNA (AP) -- A Sikh preacher died Monday after being wounded in an attack on his temple by a group of fundamentalist Sikhs armed with knives and a handgun, police said. India's prime minister appealed for calm as riots protesting the deadly shooting spread to several northern Indian cities. (click here for more)
Excerpt: "Caste discrimination has been outlawed in India for more than a half century, and a quota system was established with the aim of giving Dalits a fair share of government jobs and places in schools. But their plight remains dire, living in poverty and kept down by ancient prejudice and caste-based politics."