Newport's southern distributor road closed after boy hit by car 10 January 2013 Last updated at 17:49 A major road in Newport has been closed after an 11-year-old boy was seriously hurt after being hit by a car. The city's southern distributor road has been shut in both directions during the peak time rush period. Gwent Police said the boy is in a critical condition in the Royal Gwent Hospital with a head injury after the incident on Thursday afternoon. It is not yet known when the road will reopen. The incident, involving a a grey Fiat Stilo car, happened near Morrisons supermarket at 15:20 GMT. Gwent Police said diversions were in place but advised motorists to avoid the area. The force asked witnesses to contact 101.