Henin set to announce return to tennis

Former world number one Justine Henin is reportedly on the brink of announcing a surprise comeback to professional tennis.

The 27-year-old stunned the sport last year by retiring while still top of the world rankings.

The Belgian media claims she will announce a return to the game later today.

Earlier this month, Kim Clijsters won the US Open after returning from a two-and-a-half-year retirement.