A SCHOOL has closed its doors as a precautionary measure following a number of suspected cases of swine flu, the Welwyn & Hatfield Times can exclusively reveal. Sherrardswood School, in

A SCHOOL has closed its doors as a "precautionary measure" following a number of suspected cases of swine flu, the Welwyn & Hatfield Times can exclusively reveal.

Sherrardswood School, in Lockleys, Welwyn, is expected to be closed until Thursday.

A message on the school's answer phone says: "As a precautionary measure the school is currently closed due to a reported possibe case of the H1N1 virus."

It is understood at least three pupils are being tested for the virus.

More soon.