Services at Ealing, CentralMiddlesex, Charing Cross and Hammersmith hospitals are among those that are being affected. Councillor Julian Bell, leader of the council,said:
"We are facing a David versus Goliath struggle to protect our local hospitals but will use every option open to us, including going to court, to fight to keep these vital services for our residents.
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A 24-year-old man has been arrested on suspicion of murder after the body washed up on the Thames shoreline.
Seven people have now been arrested after a man died from serious head injuries
The 38-year-old officer was on his way home from a night shift when he collapsed. His death is not being treated as suspicious.