A 19-year-old man is critically ill in hospital after being hit by a car in Newcastle.
The accident happened on the Great North Road near Jesmond when he was hit while returning from a night out.
Police say that the car involved was travelling north and did not stop.
A 20-year-old man has been bailed as investigations continue.
Two men and two women have been released with no further action.
More top news
Sunday nig.ht's Forecast
Police have seized 539 units of alcohol from drinkers as young as 15 in a bid to crack down on underage bingeing.
"Big Sam" was spotted letting his hair down in the seaside resort weeks after securing Premier League survival for Sunderland.