Rick Bright: 'Ousted' vaccine expert says US is facing its 'darkest winter'

A former top US health official has told Congress the country could face its "darkest winter in modern history" because of the coronavirus.

Rick Bright led the government agency trying to develop a vaccine, but was removed from his post last month.

Mr Bright says he was ousted from the job after refusing to promote an untested drug treatment being touted as a "game changer" by President Trump.

Mr Trump has claimed Mr Bright is a "disgruntled" employee.

Mr Bright also told the House of Representatives subcommittee on health "lives...