South London
The 26-year-old 's baby was delivered at the scene and is in critical condition.
A man, believed to be aged in his 20s, died at the scene.
They are protesting in Lewisham about air pollution.
Heavy downpours are causing havoc.
The killing is the 29th fatal stabbing in the capital so far this year.
These men were on the frontline as south London burned. 38 years later, they discuss the new frontier of injustice
Charlotte Huggins was believed to be the first person killed in London in 2019.
Armed police arrested two men, aged 50 and 77, following the discovery.
Ben Ord, 41, will appear before magistrates on Monday.