Three climbers from the US and Canada missing on New Zealand’s highest mountain

Several climbing-related items which police believe belonged to the trio found, as bad weather will likely delay search efforts until Thursday

Rescue teams looking for three climbers who went missing on New Zealand's highest mountain have expressed grave concerns" over the party's welfare in the rugged terrain, as bad weather hampers search efforts for the second day in a row.

US nationals Kurt Blair, 56, and Carlos Romero, 50, and a Canadian man flew by helicopter on Saturday to a camp on Aoraki Mount Cook with plans to summit the 3,724 metre (12,218 ft) mountain.