An Iranian warship, the IRIS Dena, sank off the coast of Sri Lanka following a submarine attack, leaving at least 101 crew members missing.

US ​President ​Donald Trump has justified US attack on Iran and warned of a possible new "big wave" of strikes against Iran.

Australia said its military headquarters in the Middle East was hit by an Iranian drone attack and  all staff are safe.

In Afghanistan, multiple explosions were heard and gunfire reported in Kabul on Tuesday as Afghan and Pakistani troops continued border clashes.

US  has claimed it destroyed key command facilities and military assets of Iran’s IRGC amid rapidly escalating hostilities in the Middle East.

India on Tuesday strongly reiterated its call for “dialogue and diplomacy” to resolve the ongoing conflict in West Asia.