Roy Hodgson's England received a major boost this evening as Montenegro suffered a shock home thrashing at the hands of Ukraine.
Montenegro went into the fixture two points ahead of England in their World Cup Qualification Group level on games played.
And a win for them could have taken them five points clear and applied huge pressure to England, but their advantage now stands on an knife-edge.
With 43 minutes gone Montenegro's star man, Stevan Jovetic, suffered a hamstring injury and had to be taken off the field.
Linked with Arsenal and Chelsea in recent days, it is now known yet how serious the problem is or if it could delay any potential deal.
Two minutes after his injury, Ukraine saw Roman Zozulya sent off as the game went in a 0-0 at half-time.
If it was evenly poised, 45 minutes later it was anything but, as a Jovetic-less Montenegro completed unraveled in front of their home fans, themselves having Vladimir Volkov sent off.
Ukraine scored four goals without reply to register a stunning 4-0 win, which keeps their own qualification hopes alive.
They are now just one points behind England, who remain two behind Montenegro - Each crucially having played a game less.
The result means if England win their game in hand then they could overtake Montenegro at the top of the group and secure themselves automatic qualification.
The problem is that game in hand does not come until their final fixture, at Wembley against Poland.
England's next two fixtures are away to a now rejuvenated Ukraine in September and then at home to Montenegro at Wembley.
The two fixtures will shape the Three Lions' fortunes, and the game against Poland will be more clearly defined after that.
Montenegro's loss tonight ensures it is less likely to be a dead rubber, and provides England with added impetus for the remainder of the campaign.
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