A protest which halted a mining giant's oil exploration on New Zealand's high seas and prompted a controversial law change cost taxpayers nearly $1.7 million, documents show.
The Defence Force and New Zealand police were sent to the Raukumara Basin in April 2011 when a protest flotilla led by an East Cape iwi interfered with Brazilian company Petrobras' seismic surveys.
Tauranga fisherman Elvis Teddy was arrested by police, but the charges were dropped because the incident took place outside New Zealand's 12-mile territorial limit.
The High Court overturned this decision, and Energy Minister Simon Bridges introduced an amendment to clarify the law and create new offences covering interference with mining companies on the high seas.