Monica Hernandez, a reporter with WWL-TV in New Orleans, has tweeted:
Woman says 2 gunshot.victims collapsed in her arms on this porch. One was shot 6 times http://t.co/5pYKxg4RR7
More top news
He served in Margaret Thatcher's Cabinet as Home Secretary in 1989 and was also a former Governor of Bermuda.
Mr Corbyn gave a forthright "no" when asked by ITV News Political Correspondent Chris Ship on Friday.
What is VX and what makes it so dangerous? ITV News asks an expert.