So far, neither side has been able to deliver a decisive blow in Qusair.

NPR: Hezbollah, Syrian Rebels In Worst Clash In Lebanon

Neither internal camp seems to have the means to deliver a decisive blow.

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Uganda had hoped that this would strike a decisive blow at the Lord's Resistance Army, a bizarre Sudan-based Ugandan rebel group.

ECONOMIST: Uganda and Congo

That disappointment made his knockout of Pacquiao, who lay motionless for several minutes after being hit with the decisive blow, even sweeter for the veteran.

CNN: December 19, 2012 -- Updated 1227 GMT (2027 HKT)

Joris Mathijsen headed over for the Netherlands in what was their only good chance of the extra-time period before Iniesta struck his late and decisive blow.

BBC: Netherlands 0-1 Spain (aet)

Half time gave City brief respite, but 10 minutes into the second half Spurs delivered the decisive blow to City's hopes of taking something from the game.

BBC: Tottenham 3-0 Manchester City

Then, two minutes into injury time, came the decisive blow.

BBC: Shearer puts Newcastle in final

America had renewed hope when Stanfill bundled over from his own tap penalty but Vaki struck the decisive blow with 10 minutes left - leaving the Eagles ruing their wasted opportunities.

BBC: USA 15-25 Tonga

It was a decisive blow.

BBC: Sport - Football - Leeds 5-2 Doncaster

The goal floored Stoke, and Healy, who had only been on the pitch 10 minutes, provided the decisive knock-out blow four minutes into injury time when Jones cut the ball across goal for the Northern Ireland striker to slot in.

BBC: Sunderland 2-0 Stoke