Anger among commuters trapped on a train crowded with U2 fans, rather than random idiocy, is being blamed for disrupted rail services to the first of the Irish band's two Mt Smart concerts.

Consultants have produced a glowing business case for a $2 billion-plus inner Auckland rail tunnel.

Auckland Mayor Len Brown expects a $2 billion rail tunnel through central Auckland to be completed within seven years, but who will pick up the bill remains uncertain.

Police are appalled at the condition of Christchurch's bus fleet after a sting that saw 28 buses pulled off the city's streets.

A 50-year-old bus driver sacked for sexual harassment denies the claims - but admits she talked about getting 'pissed' with 15-year-olds.

The bus hit Rongo with such force the windscreen smashed, before he was dragged about 15m.

Two people are in hospital with suspected spinal injuries after a two train collision in Plimmerton.

A bus driver who earned $48,000 a year bought more than $3m worth of real estate after being caught up in an alleged elaborate scam.