A cool video has emerged of a man sketching portraits of his fellow passengers on a New York subway train.

The talented artist quickly produces amazingly accurate drawings of people sat around him, writes a brief message on the reverse and then hands them over to the delighted subjects.

The footage was captured by a commuter on the 6 train in The Bronx late last month who wrote online: “the joy on people's faces is the true reward and you can tell he has much talent and an even bigger heart.”

A cool video has emerged of a man sketching portraits of his fellow passengers on a New York subway train.

The talented artist quickly produces amazingly accurate drawings of people sat around him, writes a brief message on the reverse and then hands them over to the delighted subjects.

The footage was captured by a commuter on the 6 train in The Bronx late last month who wrote online: “the joy on people's faces is the true reward and you can tell he has much talent and an even bigger heart.”