Niko Kovac takes over as Borussia Dortmund head coach

BERLIN, Jan. 30 (Xinhua) -- Niko Kovac has been appointed new head coach of Borussia Dortmund, CEO Lars Ricken confirmed the agreement following Dortmund's 3-1 victory over Shakhtar Donetsk in UEFA Champions League match on Wednesday.

The 53-year-old Croatian will officially take charge on Sunday.

Kovac has signed a contract until 2026 and will be joined by his 50-year-old brother Robert as assistant coa