Police Scotland said two women aged 23 and 19 and a man aged 32 were arrested in connection with Monday's crash near Edinburgh Airport.
A 29-year-old woman is arrested on suspicion of arson after a massive fire destroys homes.
Residents have been evacuated after a large fire involving six homes in Caerphilly county.
Firefighters from across the island were sent to the fire at a row of four bungalows in Newbridge.
One man suffered a fractured skull after the fight which began inside the barber shop, before spilling onto the street.
Shoppers were left scared when a fight between rival barber shops broke out, a court hears.
Police are investigating after children were subjected to "offensive" comments online.
Robin Reed and his son Owen were swept out to sea at a popular tourist beach in Queensland.
An eighth man, who was arrested on suspicion of violent disorder, is in hospital, Gwent Police say.
