Chinese police have shut down 34,000 online accounts and punished more than 6,300 people for allegedly spreading rumours as part of a crackdown launched in April, state media reported on Friday. "So far, public security organs across the country have investigated more than 4,800 online rumour cases, investigated and handled in accordance to the law more than 6,300 people who spread rumours, and shut down 34,000 illegal accounts," CCTV said, without specifying the type of accounts targeted.