Afghanistan, July 14 -- India has summoned Iran's deputy chief of mission in New Delhi after an Iranian missile attack on two UAE-linked oil tankers in the Strait of Hormuz killed an Indian sailor and injured six other Indian nationals, sharply escalating diplomatic tensions amid the widening U.S.-Iran conflict.

India has summoned Iran's Deputy Chief of Mission Mohammad Javad Hosseini to lodge a formal protest after an Iranian missile strike on two UAE-linked oil tankers in the Strait of Hormuz killed an Indian sailor and injured six other Indian nationals, according to Indian media reports.

The diplomatic move followed the attack on the tankers MT Mombasa and MT Al Bahiyah, which were transiting the southern shipping lane of the Strait o...