Lance Armstrong and Jonathan Vaughters toxic Twitter spat continues: "This is revisionist history and you know it. Remind us, how much time did you serve?"

The battle between Thibaut Pinot and Jefferson Alexander Cepeda on stage 13 of the Giro d'Italia was fierce and at times tempers flared. Following the stage Pinot criticized his rival in an interview saying "I especially didn't want Cepeda to win." Now, Jonathan Vaughters, EF Education-EasyPost boss has hit back.

"Proud to see that Ben Healy congratulated the winner, and didn’t go cry to the media about how life is sometimes unfair," Vaughters wrote on his official Twitter account following stage 15 where EF Education-EasyPost rider Healy was beaten to victory in a thrilling finale by Brandon McNulty. "Great attitude. Great person. Great rider."

This thinly veiled criticism of Pinot wasn't fooling anyone and soon the post was filled with replies. One user commented "Just @ him you coward," bringing out another, more controversial response from the EF boss, Vaughters. "No sure he @ThibautPinot could read it through all of his tears."

Thibaut Pinot has now hit back with a retort to Vaughters, questioning "who are you?" This has led to a wide topic of conversation in an otherwise non-eventful day in the Giro.

However as the night grew more figures within cycling have voiced their opinion on the criticism of Vaughters. Lance Armstrong, compatriot and former rival of Vaughters has commented on the very same post stating "Who is he? He's a fucking (clown). At least based on the 30+ years I've known him."

Refusing to let the battle lie, Vaughters and Armstrong have continued to go at it over the past 24 hours. First of all, Armstrong continued to push the bit of needle as he replied to a post by Cycling News about the spat. "Is this the same @vaughters that did the exact same thing as his entire generation did, threw his own riders under the bus, and got off Scot free??"

Refusing to just take the slander from Armstrong however, Vaughters retorted in kind. "1. Not every rider of our gen doped. I did. 2. All witnesses in USADA investigation=volunteers. USADA has 0 subpoena power. These riders wanted a better path for the next generation. 3. You were offered: “tell truth keep TdF title.” You could be in sport today. You chose to lie."

According to Armstrong, this is not the truth. "This is revisionist history and you know it. Remind us, how much time did you serve? Then remind us, how long did YOUR riders, who you threw under the bus, serve?" Is this the end? Or will this toxic Twitter spat between two of American cycling's biggest names continue?