The Met Police is re-thinking the way it deals with cases involving vulnerable people, by drafting in the help of specialist nurses.
Officers will work alongside medical teams in cases involving people suffering from mental health problems, to make sure they get the specialist care they need.
Today, Marcia Rigg whose brother Sean died in police custody, welcomed the changes - but said they don't go far enough.
More top news
Liverpool Street and Stratford stations quickly became overcrowded this evening after a person was hit by a train.
Newly re-elected Labour leader Jeremy Corbyn describes his relationship with Mr Khan as "fine", even though they haven't spoken recently.
The kittens were in a poor condition when they were rescued, but are now putting on weight and will soon be ready for new homes.