Bertjan Lindeman leads a 12-man escape on to the cobbles at Viesly...
Team Sky are doing the chasing over four minutes later...
cobbles
Danilo Wyss is chasing for BMC on a cobbled section near Solesmes, but the gap hasn't changed...
Yaroslav Popovych is in the escape for Radio Shack - could this be their lucky day..?
shack
Chris Sutton is chasing harder near Querenaing, and the gap starts to shrink...
sky
Lindeman is still leading the escape near Famars - but a huge crash has split the peloton's chase...
The head of the peloton hasn't changed much - BMC are still chasing...
George Hincapie and Greg Rast face an impossible chase after the crash...
Aleksijs Saramotins is leading the escape through the Arenberg forest...
Tom Boonen has shown himself at the head of the splintered peloton...
omegaarenberg
Juan Antonio Flecha has launched a counter-attack with Alessandro Ballan at Brillon...
Boonen leads the chase himself, with Van Summeren and Hushovd on his wheel...
omega
The solitary figure of Sebastian Turgot emerges on to the cobbles at Orchies...
The peloton is just 20-seconds back at Orchies...
orchies
Boonen has created a four-man group with Pozzato, Turgot, and Ballan - but they're chasing Niki Terpstra who's soloed away on the cobbles...
Boonen has dropped the others and now rides with Terpstra across the Bersee cobbles...
Boonen has now dropped Terpstra and begins a 50-kilometre attempt to win Paris-Roubaix..!
Stannard and Hayman chase hard for Team Sky at Bersee...
Pozzato has crashed on a corner, he looks stunned but continues for a while...
farnese
Flecha has launched another counter-attack at Mons-en-Pevele - Boonen's lead is holding at 30-seconds..!
Ballan is chasing Flecha, he has Lars Boom on his wheel...
bmc
Stannard is chasing hard too - the uphill section of cobbles is creating the final selections...
Boonen attacks the cobbles at Ennevlin - his lead has gone up to 45-seconds now..!
Boonen corners on the cobbles near Cysoing - and his lead has grown to a full minute..!
The master at work - Boonen in full flight at Bourghelles with just 20-kilometres to go...
Flecha is still chasing with Ballan and Boom - but they're only chasing a podium place now...
Van Summeren is not far behind Flecha - but he's pulled his foot out and loses any chance of a podium place...
garmin
Tom Boonen wins the 2012 Paris-Roubaix - he signals a fourth victory in the race..!
Turgot sprints it out with Ballan in Roubaix - but they are 1' 39" down on the winner..!
sprintroubaix
Tom Boonen shares HIS podium with Sebastian Turgot and Alessandro Ballan