KARACHI, Pakistan, Dec. 1 -- Clashes between two ethnic groups in Pakistan's port city of Karachi during the weekend killed at least 28 people, police said Monday.
The groups, which were not identified, rioted, attacked each other and indulged in arson in several sections of the city, the English-language newspaper Dawn reported, adding more than 50 shops and at least 60 vehicles were set on fire.
Authorities in Sindh province, of which Karachi is the capital, banned riding on two-wheeled vehicles for three days to curb sniping, Dawn said.