Double-amputee runner Oscar Pistorius has reportedly reached a settlement over an accused assault incident from 2009.

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On Wednesday, Yahoo! Sports reported that the runner's spokeswoman revealed that lawyers told Pistorius that he would not be able to fight criminal and civil battles at the same time.

"The reasoning for the settlement being that Oscar was advised by his lawyers that he could not run a civil and criminal matter (side) by side," Pistorius family spokeswoman Anneliese Burgess said.

Pistorius was arrested for reportedly injuring Cassidy Taylor-Memmory, a guest at a house party in 2009.

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The incident allegedly involved Pistorius slamming a door and then punching it, resulting in an injury to Taylor-Memmory's leg.

According to Burgess, the matter was settled for expediency purposes, and has "no bearing" on Pistorius' murder trial, which is set to take place next month.

Pistorius will go on trial for the alleged premeditated murder of his girlfriend Reeva Steenkamp, which took place last Valentine's Day. Pistorius had allegedly shot Steenkamp, claiming he mistakenly assumed she was an intruder in his home.

As for the settlement with Taylor-Memmory, it was reported that Pistorius agreed to pay her legal fees and drop a counter claim when the alleged victim received hate mail.

"I agreed to it because I was so tired of it weight me down," Taylor-Memmory said. "It became so difficult at a stage that I needed a bodyguard when I went out in public due to all the hate rants."

Tags: Oscar Pistorius