AP News:奥巴马接见奥运会和残奥会运动员

This is AP News Minute.

The governors of New York and New Jersey say it's too soon to know whether a safety system known as Positive Train Control would have helped prevent Thursday's crash in Hoboken. The system is designed to automatically slow or stop trains that are going too fast. One woman was killed and hundred others injured in the commuter train crash.

The CDC is urging people to get their flu vaccines and get them early to prevent serious conditions brought on by the virus. They say the flu virus often doesn't get the respect it deserves and it sends hundreds of thousands to the hospital each year.

President Barack Obama welcomed Team USA Olympians and Paralympians to the White House following their successful performances. The president celebrated Team USA's impressive win of 46 gold medals during the Summer Games in Rio.

And the Duke and Duchess of Cambridge continue their Canadian tour with a children's party in Victoria. Prince William and Kate were joined by their children, Prince George and Princess Charlotte, who were delighted by the balloons, bubbles and mini-horses.

Susan Yee Gaffney, Associated Press with AP News Minute.