george linnane ending that report there from hywel griffith. the time is 13:17. our top story this lunchtime: the metropolitan police say they will now investigate multiple events that took place in downing street and whitehall during lockdown. and still to come the floor of the world—famous blackpool tower ballroom springs back to life, after a £1 million upgrade. coming up on the bbc news channel: cruising into the semi—finals. ash barty, the women's number one, makes light work of her opponent at the australian open, as she looks to become a home grand slam champion in melbourne. it's 73 miles long, runs from tyneside to the solway firth, and this year marks the 1,900th anniversary of the building of hadrian's wall.