Vinales is catching Bezzecchi for second place.
Six laps to go as Bagnaia continues to lead. Miller meanwhile has taken P4 away from Binder.
It's still not raining enough to make a pit stop but riders are having to be careful.
Bezzecchi is still in with a chance although Bagnaia is holding strong.
Martin has gone from third to sixth in the space of four corners. Binder and Miller also moved ahead.
Drama as the rain is getting heavier and Vinales is into the podium places.
It's raining!
What a move by Espargaro as he takes both Mir and Zarco in three corners.
Takaaki Nakagami has just taken a long-lap penalty which has elavated Espargaro to tenth.
Quartararo is officially out after a violent highside.
It's a second fall for the Frenchman. This is surely the end of his race.
Espargaro is up to 12th - Di Giannantonio is next to be overtaken by the Spaniard.
Bezzecchi is continuing to catch Bagnaia and is bringing Martin along with him.
Darryn Binder is also out after crashing.
Could this be a big comeback from Espargaro - he's up to 13th now!
Franco Morbidelli has crashed at turn five! What a disaster for the Italian.
Bagnaia now leads from Bezzecchi who is going quicker than the leader. Quartararo has rejoined, while Espargaro is 15th.
Unbelievable drama as Quartararo makes a rare mistake.
Quartararo has crahsed into Espargaro at turn five!
OH NO!
Jack Millr has just lost four places as he takes his long-lap penalty.
Espargaro has just set the fastest lap, while team-mate Vinales is up from 11th to ninth. The second Aprilia also has very good race pace and could challenge late on.
Lap two: Espargaro has already closed an eight tenth deficit down to just over two tenths from Bagnaia
Quartararo is down to third as Aleix Espargaro is up from fifth to second.
Bagnaia leads into turn one but Quartararo is off track.