India, Feb. 4 -- A US military transport aircraft is deporting migrants to India, the first such flight since the US administration began sending back illegal migrants in line with President Donald Trump's pledge to crack down on immigration.

An unnamed US official told Reuters late on Monday that a C-17 aircraft had departed for India with migrants aboard but would not arrive for at least 24 hours. The official didn't give further details.

There was no word on the development from Indian officials. The number of people on the deportation flight could not immediately be ascertained. A C-17 heavy-lift transport aircraft can carry up to 130 people.

A spokesperson for the US embassy declined to share details of the flight and said: "The U...