The New York State attorney general on Tuesday ordered the two biggest daily fantasy sports companies, DraftKings and FanDuel, to stop accepting bets in New York, saying that their games constituted illegal gambling under state law, according to people with knowledge of his investigation.

The New York State attorney general on Tuesday ordered the two biggest daily fantasy sports companies, DraftKings and FanDuel, to stop accepting bets in New York, saying that their games constituted illegal gambling under state law, according to people with knowledge of his investigation.