Tehran, Iran – “The fundamental principle is distrust towards America” – this is how senior lawmaker Abbas Moghtadaei described the situation to state television on Tuesday afternoon.It came after an Iranian delegation, led by Parliament Speaker Mohammad Bagher Ghalibaf, returned to Tehran from Qatar amid efforts to reach an understanding with the United States on ending the nearly three-month-long war on the country.Hours earlier, the Ministry of Foreign Affairs accused Washington of committing a “blatant violation” of the shaky ceasefire reached on April 8 by attacking the southern province of Hormozgan on Monday night. It added that the strikes validated the “deep suspicion” Iran harboured towards the US.The Islamic Revolutionary Guard Corps (IRGC) said Iranian armed forces fired back and shot down a US-made RQ-4 drone, using a domestically-made air defence system called Arash-e Kamangir – named after a hero in Persian mythology. State television aired footage of the remains of a downed drone.The US military said it was hitting missile launch sites and Iranian boats attempting to lay sea mines in a “defensive” move, but IRGC commanders said they have the right to retaliate.On Tuesday afternoon, a tanker reported an external explosion and fuel leak some 60 nautical miles (about 111 kilometres) east of Oman’s capital city Muscat, according to British maritime intelligence. Iranian officials did not comment on the incident …