The Liberian-flagged 'Ice Energy', left, takes crude oil from the 'Lana', an Iranian-flagged tanker, off the Greek island of Evia. AFP
The Liberian-flagged 'Ice Energy', left, takes crude oil from the 'Lana', an Iranian-flagged tanker, off the Greek island of Evia. AFP

Iranian ship being towed to port after release by Greek authorities