CORONAVIRUS testing in the UK has been delayed after kits were found to be contaminated with Covid-19, it's reported. Key components ordered from overseas for the tests were found to contain traces of the virus earlier this week. It comes as Britain attempts to ramp up mass testing after capacity appeared to lag behind other major nations, including the US and Germany. To meet demand and boost production, the government has enlisted private companies to help - with plans for thousands of kits to be made available within the coming weeks. But in a blow to production one of those...