AUSTRALIA'S 150-run victory over Pakistan in the Test at Lord's in July is under investigation by the ICC over alleged fixing.

It is the second recent Test match at the spiritual home of cricket to come under scrutiny for alleged Pakistani corruption but, incredibly, it involves different players to those accused of rigging aspects of the fourth Test against England three weeks ago.

It's understood the ICC is investigating the possibility that there are two separate groups of corrupt Pakistani cricketers who are aligned to different illegal bookmakers.

Captain Salman Butt has been suspended by the ICC, along with pacemen Mohammad Amir and Mohammad Asif, over the first spot-fixing allegations that rocked the game. Shahid Afridi has been leading the team since those allegations surfaced.

Now the ICC is looking at alleged spot-fixing in the third one-dayer between Pakistan and England last week when, despite the visitors winning the match, there was slow scoring in the 39th and 40th overs as allegedly predicted before their innings. The Sun newspaper alerted the ICC to the potential of fixing in those overs, and when the prediction eventuated on the pitch, the governing body's anti-corruption unit launched a fresh investigation.