Police detain 6,000 ahead of Expo

SHANGHAI - Police in Shanghai have caught some 6,000 people involved in street crimes such as thefts and prostitution during a 12-day special crackdown in preparation for the opening of the Expo.

The crackdown, which lasted from April 3 to 14, is the fourth of its kind in less than two months in a move by police to make the city safer during the upcoming Expo.

More than 30,000 police officers made more than 900 raids during the campaign, according to the city's public security bureau.