The man who was found dead in a residential street in Rotherham was a shopkeeper, the Press Association reports citing South Yorkshire Police.
Police said a second man, who was seriously injured, has been taken to hospital where he is undergoing treatment.
More top news
Detectives in Westminster are investigating after the man was discovered on the Route 189 bus in Marylebone shortly after midnight.
The murderer was shaking and appeared to be gasping for air for around 13 minutes before dying.
The positive results come after Chancellor Philip Hammond admitted the government is prepared to sell its stake at a loss to the taxpayer.