Captain Paul Watson Foundation's Operation Krill Wars
Aker Qrill Company called incident a 'deliberate attack'.
Operation Krill Wars targets industrial krill harvesting.
Vessel near-miss with diesel tank avoided environmental damage.
Foundation claims collision was accidental during intervention.
Crew unharmed; Aker will pursue legal action.
Investigation may begin when Bandero reaches next port.
Krill is critical to Southern Ocean food chain.
1 week ago