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.

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.