Former Pakistan pacer Mohammad Amir and ex-Indian off-spinner Harbhajan Singh were involved in a heated exchange on Twitter, which instantly became a topic of discussion on the microblogging website.

The duo’s war of words revolved around 2010 spot-fixing saga, involving Amir, Pakistan’s win over India in the ongoing T20 World Cup and former all-rounder Shahid Afridi’s sixes against Harbhajan.

It must be noted that Amir spent time in jail and served a five-year ban for spot-fixing.

Amir was rated among the world’s most exciting fast-bowlers before a 2010 spot-fixing scandal that resulted in bans and jail sentences for him, former Test captain Salman Butt and fast-bowler Mohammad Asif.

Amir later admitted he had purposefully bowled a no-ball in the fourth Test against England at Lords as part of the spot-fixing deal.

Here’s what happened: