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China students hold principal hostage in protest
Thousands of protesting students held a school principal hostage over fears their degrees would be devalued, Chinese police said on Tuesday.
The protests were over a plan to merge a Nanjing college in Jiangsu province with a vocational institute - which are seen as less prestigious.
Some of the students were reportedly injured as police allegedly used batons and pepper spray on them.
Such protests are rare in China where mass movements are controlled.
Danyang city police said in a statement on Tuesday that undergraduates at Nanjing Normal University's Zhongbei College in Jiangsu province had "gathered" from Sunday and detained the 55-year-old principal on campus for more than 30 hours.