HARBIN, Nov. 22, (xinhuanet) -- All primary and middle schools in the urban areas of Harbin, capital of northeast China's Heilongjiang Province, will suspend classes from Nov. 23 to 30 for fear that catering and sanitation can not be secured due to the upcoming water supply cut-off.

    Sources from Harbin Bureau of Education released that primary and middle students will have a lesson on safety on Wednesday morning and then be dismissed.

    During no-class period, teachers will communicate with their students via Internet and phones, and be on duty in school by turns. After class resumes, the teachers will manage to help students make up the missed lessons.

    Local government Tuesday night announced water stoppage to urban areas at wee hours Wednesday for possible water contamination in Songhua River, a major water source of the city, due to a chemical plant blast on Nov. 13 in the neighbouring Jilin Province, Enditem