Three men who had previously been arrested in connection with the murder of a man in North Shields have been bailed.
22-year-old Mantas Leonavicius, who was originally from Lithuania, was found dead at a house in Stanley Street on Friday.
A 17-year-old, 21-year-old and 22-year old have now been released on bail.
A 18-year-old man remains in police custody.
More top news
The children on board were from Easingwold School and were travelling along roads affected by heavy rain and flooding after Christmas.
The walls had been closed to the public at the weekend amid fears of a collapse.
Junk food advertising is to be banned across all children's media - including online and social - in a bid to tackle childhood obesity.