A fast-weakening Hurricane Matthew which has been blamed for at least four deaths in the US, all in Florida, continued its march along the Atlantic coast.

Former 1970s teen idol David Cassidy will serve a year of probation and have his driving privileges suspended for six months after pleading no contest to driving under the influence on Florida’s Turnpike road.

Emergency crews launched airboats into submerged streets to rescue central Florida residents trapped by rising floodwaters from a stalled Tropical Storm Fay, which soaked the state for a third consecutive day.