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German side Borussia Dortmund have signed Gabon striker Pierre-Emerick Aubameyang from French club St Etienne.

The 24-year-old Gabon international has joined on a five year deal for an undisclosed fee.

He was the second highest scorer in Lique 1 last season with 19 goals, he also weighed in with 14 assists.

"We are very pleased that in Pierre Emerick Aubameyang we were able to sign a player we really wanted," Dortmund's sporting director Michael Zorc said.

"He is offensively very versatile, has a lot of pace in his game, is a threat in front of goal and will provide us with more options."

He scored a total of 35 goals in 73 games since joining St Etienne in 2011 from Italian side AC Milan.