Detectives in Croydon are appealing for information following the theft of medication from a hospital in Purley.
At around 5pm on Wednesday 7th October, a man and a boy entered the Purley and District War Memorial Hospital in Brighton Road and whilst on the premises it is believed they stole 10 to 15 syringes of Revaxis, an anti tetanus drug.
The drugs can be harmful if administered incorrectly and could cause an allergic reaction leading to anaphylaxis, which in turn can cause extreme breathing difficulties.
The man is described as white and aged between 20 to 30 years-old. He was wearing a red top, a cream coloured jacket, grey jogging trousers and white trainers.
The boy is described as white and aged between 10 to14 years-old. He has dark coloured hair and was wearing a grey t-shirt, red shorts, white socks and black trainers.
Detectives are keen to trace those responsible and ensure the safe return of the drugs.
Anyone with any information is asked to call police on 101 quoting reference CRIS 3829296/15 or Crimestoppers on 0800 555 111.
Croydon Council said its plan to use an underground footway in Purley to hold around 600,000 litres of water was approved after its "primary" pond at Purley Depot overflowed on Friday night.
Water is being pumped into a pedestrian underpass in Croydon to protect around buildings under threat. The Purley Cross underpass will be turned into an emergency pond as hundreds of thousands of litres of water is pumped into the area.
Authorities hope the move will protect around 400 buildings which are under threat from flooding in Kenley and Purley. They are also trying to protect a water treatment works which supplies tens of thousands of homes.
The people who died after being hit by a train in south London this morning have been named as Donna Oettinger, 41, and her three-year-old son Zachary.
British Transport Police said that the woman killed after being hit by a train in south London was believed to be in her thirties.
Her son, who also died following the collision, is thought to have been three years old.
Senior Investigating Officer Detective Chief Inspector Iain Miller said:
The woman and child were killed around two miles south of Purley in south London in the Riddlesdown area near Kenley
A British Transport Police (BTP) spokesman said: