Peterborough went top of League Two after a goal in each half by Dean Keates and Jamie Day sunk 10-man Barnet 2-0 at Underhill on Tuesday.The Posh have now racked up six straight wins and haven't conceded in more than seven hours of play but their cause was given a helping hand after Jason Puncheon was sent off for kicking the ball at an assistant referee.

The visitors took the lead after 32 minutes as Keates' wicked free-kick beat Rob Beckwith in the Barnet goal.

Two minutes later and Puncheon had a moment of madness after smashing the ball at Michael Rowling after the official awarded a free-kick against him.

Even after the red card the home side were unlucky not to level after 65 minutes when Albert Adomah's looping header hit the crossbar.

Day almost doubled Peterborough's lead four minutes later when he curled a superb 20-yard free-kick against the woodwork.

But in a carbon-copy situation, the midfielder went one better when he found the top corner to seal the points in injury time.

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