A Korean fencer is staging a sit-in, apparently because she's upset at the officiating in her semi-final match with reigning Olympic champion Britta Heideman of Germany.

The fencer, A Lam Shin, earlier defeated Canadian fencer Sherraine Schalm.

Shin is scheduled to fight in the bronze medal match of the individual epee, but her protest is holding up the gold medal match-up between Heidemann and Ukrainian fencer Yana Shemyakina. It was scheduled to start at 7:10 pm London time.

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The protest recalls that of Korean boxer Byun Jung Il, who staged a 67-minute sit-in at the 1988 Seoul Olympics after a referee docked him a point in a match-up with U.S fighter Roy Jones, Jr.