New Zealand has been invited to attend the upcoming NATO meeting in Brussels. Defence Minister Judith Collins says it reflects a more perilous geopolitical situation. Q+A asks her if there's an appetite for a NATO-style defence agreement in the Pacific. Meanwhile, HMNZS Manawanui continues to leak fuel off the south coast of Upolu in Samoa. Collins outlines the latest clean-up effort and whether New Zealand can afford to replace the ship.