South Africa vs USA live: Latest score and updates as Damian De Allende try gives Springboks half-time lead

Follow the latest action from the Pool B encounter at the Olympic Stadium

Damian De Allende scores a try for South Africa (Getty Images)

South Africa can secure top spot in Pool B with a victory over the United States with Scotland and Japan also in the hunt for a quarter-final spot.

• Victory will secure South Africa's place as Pool B winners

• United States need to win both of their remaining games to have any chance of finishing third

• USA sit bottom of Pool B

• Defeat for Springboks would open door for Scotland to top pool

• Namibia face Georgia in Pool C in today's other match

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Today's Rugby World Cup fixtures:

Pool B: South Africa v USA, Olympic Stadium - 4.45pm

Pool C: Namibia v Georgia, Sandy Park - 8pm