A map of China is seen through a magnifying glass on a computer screen showing binary digits in SingaporeBy Arshad Mohammed, Matt Spetalnick and Mark Hosenball WASHINGTON (Reuters) – The United States is considering sanctions against both Russian and Chinese individuals and companies for cyber attacks against U.S. commercial targets, several U.S. officials said on Monday. The officials, who spoke on condition of anonymity, said no final decision had been made on imposing sanctions, which could strain relations with Russia further and, if they came soon, cast a pall over a state visit by Chinese President Xi Jinping in September. It did not mention Russia.