After about a minute of examination, the ringside doctor said Couture was okay to continue the fight.

This forced the ringside doctor to stop the bout.

All Williams remembers is the flashing lights of ringside doctors peering into his eyes.

Sanchez had left the ring under his own power after being examined by the ringside doctor.

The referee took him across to the ringside doctor who insisted that the fight should be stopped.

Harris stumbled towards his corner and collapsed while the ringside doctor was talking with him.

The officials and ringside doctor picked up that something was wrong.

The ringside doctor put an end to the bout citing an injury.

He then fell to the floor and was immediately attended to by ringside doctors.

However, ringside doctors expressed doubt, implying that the negative results were not in fact based on Morrison's blood.