Stephen Gilbert MP said he "feared at worst" that the woman he helped rescue from the Thames was dead.
He said: "I feared at the worst it would be a body, I alerted the police, and they were called in to get a response, and then she moved, and I was able to chase down the terrace and grab one of the life-buoys, throw it in, made a reasonably good shot and she grabbed it."
He added, "I guess it's just the right time, right place and I was delighted to help.
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