# quick, send in the clowns. # don't bother, they're here. a reminder that in about 30 minutes, we're expecting the prime minister to holding a coronavirus briefing from downing street. he will be joined by england's chief medical officer, professor chris whitty and the uk government's chief scientific adviser, sir patrick vallance. full coverage here on the bbc news channel from just before 5pm. now on bbc news, it's time for the media show.