Seven people were shot and killed today in a Miami suburb including the suspected gunman, the Miami Herald newspaper said.
The gunman, who was holding two hostages at the time, was killed by a police SWAT team after an eight-hour stand-off at an apartment building in the suburb of Hialeah.
The stand-off began with an argument between the gunman and the husband and wife who ran the building.
A teenager shot dead as he sat in a parked car is believed to have had no links to gangs, Scotland Yard said.
Joseph Burke-Monerville, 19, was named by police after he was gunned down in Hindrey Road, Clapton, east London, yesterday evening
He was rushed to hospital but died later, while a 22-year-old man who was also in the car remains in a serious but stable condition, police said.
Police have named the teenager shot and killed in Clapton as Joseph Burke-Monerville.
19-year-old Joseph was from Islington. A post mortem is expected to take place tomorrow in Popular, east London.
Police continue to appeal for witnesses and information: Any witnesses or anyone with information should call police on 020 8733 4211. To remain anonymous call Crimestoppers on 0800 555 111.
Police are appealing for information on two men seen running away from the scene of the shooting on Hindrey Road, towards the nearby Pembury Estate.
One is black, officers said, while the second is light-skinned, possibly of Asian or Turkish appearance.
Police said there was as yet no clear motive for the shootings, and no-one has been arrested.
"At this very early stage we must retain an open mind regarding the circumstances of the incident and any motive," the spokesman said.
A Metropolitan Police spokesman said the teenager died at about 11.10pm.
Police said there was no clear motive for the shootings yet and no-one has been arrested.
At this very early stage we must retain an open mind regarding the circumstances of the incident and any motive.
Detectives from Trident are leading the inquiry and an incident room will open in the morning.
Witnesses to the shooting or anyone with information about the incident are asked to call police on 101 or Crimestoppers on 0800 555 111.
A teenager has died and a man is fighting for his life after they were gunned down in a street.
The pair were shot in Hindrey Road, Clapton, east London, at 8.20pm yesterday, Scotland Yard said.
Paramedics rushed them to hospital where the younger victim, 19, died. A 22-year-old man was understood to be in a stable condition, police said.
A woman has been shot dead in Hinckley, Leicestershire, Leicestershire Police have confirmed.
Police were called to an address in Sunnydale Road at 10.14pm on Sunday night following reports that a woman had been shot.
Police found a woman who had been shot and she was declared dead at the scene.
A man has been arrested and is in custody.
Two people have died, and a teenager has been left wounded in a shooting in eastern Kentucky, the Press Association reports.
The shooting happened yesterday afternoon in the car park of Hazard Community and Technical college in Hazard.
According to Conor Duff, the college's evening co-ordinator, the shootings took place at 4.30pm (9.30pm GMT) at the campus.
He added that police had searched the school's buildings to check no one else was at risk.
Shortly after, the school was on lockdown, although the school's website reports it has since been reopened.
Special police units and local police forces were alerted by a caller who said several people were lying wounded on the ground at about 8:50 p.m. (1950 GMT), the police statement said.
It said the incident was being investigated and the site had been closed off. More information would be released later today at a news conference in the village, which is close to the town of Sion, the capital of the canton - or region - of Valais.
Mass shootings are rare in Switzerland, although gun possession is widespread - some estimates run to at least one for every three of its 8 million inhabitants. Many are stored in people's attics, a legacy of Switzerland's policy of arming its men to defend its neutrality.