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.
More top news
Scotland Yard said the male youths will appear in custody at Westminster Magistrates' Court on Saturday.
The family of Oliver Dearlove urged people to "think again" before using their fists, as the man who killed him began a six-year jail term.
London Fire Brigade took Southwark Council to court on four charges in relation to safety breaches at Lakanal House in Camberwell.