BBC.Meanwhile, on the surge in cases of coronavirus, the British PM has said that the schools were safe, and advised parents to send their children in, in areas where rules allow it, responding to various concerns due to restart of schools after Christmas."There is no doubt in my mind that schools are safe, and that education is a priority," he said.He said the government might need to consider tightening lockdown restrictions but declined to give examples of what that might look like.