Boris issues warning to nation not to ‘blow it’ after lockdown

Boris Johnson wears a face mask as he visits the Public Health England site at Porton Down science park (Picture: Reuters)Boris Johnson has warned there will be ‘disastrous consequences’ for the NHS without the three-tiered system of restrictions when the lockdown ends next week.The Prime Minister urged the nation to ‘work together’ with tiering, testing and vaccines, as he stressed it was too early to relax restrictions.But the PM, who faces a showdown with his own MPs o