article_snippet: The clean-up could take until June, Northampton Borough Council has warned .
article_snippet: The remains of The building, left, and workmen beginning the mammoth clean-up operation (right)
article_snippet: A huge clean-up operation will now take place to clear the streets and nearby buildings of dust before the site is considered for new retail and leisure schemes.
article_snippet: Mr Mackintosh said it would take until the end of June to clear rubble left by the demolition.