New Delhi, April 11 -- US President Donald Trump has warned Iran against collecting toll from commercial shipping passing through the contested Strait of Hormuz, as legally, Tehran claiming $2 million transit dollars from vessels contravenes the UN Convention on Laws of the Seas (UNCLOS). While the Strait of Hormuz has become the bone of contention between US and Iran, with the latter using the vital lane of energy communication as a chokehold on global energy supplies, Article 38 of the UNCLOS makes the legal position in favour of those countries, including India, demanding unimpeded freedom of navigation and global flow of commerce through the narrow channel. Even though Iran and Oman retain sovereignty over their respective territorial s...