India, June 13 -- US President Donald Trump claimed on Friday that Iran had carried out a "drone attack" on Indian ships leaving the Strait of Hormuz, triggering consternation in New Delhi and Tehran.

Trump's contention came in a post on his Truth Social platform against the backdrop of last-mile negotiations between the US and Iran on a peace deal that is expected to build on the ceasefire finalised in April.

After a diatribe over Iran allegedly leaking the terms of the deal to "Fake News", Trump said in his post: "Also, their totally rebuffed Drone attack last night against Indian Ships leaving the Hormuz Strait is TOTALLY UNACCEPTABLE."

His claim came on a day that the external affairs ministry summoned the most senior US diplomat i...