BIRMINGHAM, England - British police said Friday they were investigating the desecration of Muslim graves in a cemetery close to the scene of recent violent clashes between black and South Asian youths. Some 30 headstones were knocked over late Thursday and early Friday in the Muslim section of Handsworth Cemetery in Birmingham, a city in central England, area police said. They said they were treating the incident as "racially aggravated criminal damage." The officers said they were conducting forensic tests on literature that city workers found at the cemetery but gave no further details. Sky News TV reported that notes...