A memorial has been unveiled in Hartlepool to mark 100 years since the town was bombarded in World War One.
More top news
The mother of a teenage soldier who killed himself said she "cannot come to any logical conclusion" as to why he would take his own life.
An estimated 90 employees, deemed potential victims, have now been taken to a reception centre where they will be spoken to by officers.
The tunnels were closed in 2013 for restoration that was expected to cost £4 million but actually, cost quadruple that amount.