U.S. politics took another strange turn today when the U.S. president's eldest son released email correspondence leading up to his meeting with a Russian lawyer last year.

Donald Trump Jr. received an email in June 2016 from a British intermediary saying a Russian lawyer had asked him to "contact you with something very interesting".

"The Crown prosecutor of Russia...offered to provide the Trump campaign with some official documents and information that would incriminate Hillary and her deals with Russia and would be very useful to your father," publicist Rob Goldstone wrote. "This is obviously high level and sensitive information but is part of Russia and its government's support for Mr. Trump - helped along by Aras and Emin."

Donald Trump Jr. replied: "Seems we have some time and if it's what you say I love it especially later in the summer. Could we do a call first thing next week when I am back?"

Aras Agalarov is a Russian real-estate mogul and his son Emin is the biggest pop star in Russia.

Agalarov had planned to do a hotel deal in Russia in partnership with the Trump Organization.

Donald Trump Jr., his brother-in-law Jared Kushner, and former Trump campaign chair Paul Manafort met lawyer Natalia Veselnitskaya as a result of Goldstone's email.

https://twitter.com/DonaldJTrumpJr/status/884789418455953413

https://twitter.com/DonaldJTrumpJr/status/884789839522140166

The release of the emails has prompted a blizzard of forensic analysis on Twitter.

https://twitter.com/mhanham/status/884831854821376001