"Detailed investigations and repair work" is expected to take some time, officials say.

Officials are concerned a building at the junction within the closed area could be unsafe.

Diversions remain in place after a sinkhole opened up on Rouge Bouillon on 18 December.

The city council, locked in legal proceedings over the hole, says it aims to stop it getting bigger.

The sinkhole appeared following repairs to a burst water main on Rouge Bouillon.

The A361 near Banbury, which has been closed since the start of December, reopened on Thursday.

Jersey Water apologises and parts of the roads to remain closed until at least 13:00 GMT on Thursday.

The huge crater opened up at the start of December, forcing dozens of people to evacuate.