Here’s a brief look at some of the top news stories around the world for Aug. 21, 2015.

U.S. Marines foil gunman on Amsterdam-Paris train

French media is reporting that two Americans, believed to be U.S. Marines, subdued a heavily-armed gunman who opened fire on passengers on a train between Paris and Amsterdam, injuring three people.

[Read more from the BBC]

Stock markets plunge on fears over Chinese economy

It was a brutal end to the week on Wall Street as the Dow Jones closed down 530 points, the ninth-biggest point decline in its history, amid investors' concerns about the impact of the ongoing slowdown in the Chinese economy.

[Read more from NBC News]

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Rome outraged by mafia don's lavish funeral

Romans have been left "aghast" at the "Hollywood-style" funeral for mafia don Vittorio Casamonica, whose clan has been accused of racketeering, extortion and usury. His coffin was pulled by six black horses in a black-and-gold carriage as music from The Godfather played outside the church in Rome, and at one point a low flying helicopters dropped rose petals on the crowd below.

[Read more from The Guardian]