Schools Minister Nick Gibb has said secondary schools in England have been asked to prepare for on-site testing of pupils, as the government looks at replacing self-isolation rules with daily testing in the autumn. <br />It comes amid concerns about the rising number of children being asked to quarantine because of cases identified in their school bubbles. Report by Buseld. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn