BANJA LUKA / AP Bosnian Serbs voted in a referendum banned by the country’s constitutional court, risking Western sanctions against their autonomous region and criminal charges against their leaders. The vote on Sunday was whether to keep Jan. 9 as a holiday in Republika Srpska, commemorating the day in 1992 that Bosnian Serbs declared the creation of their own state, …

  Paris / AFP Two teenage girls from the French city of Nice are being held on suspicion of planning an attack directed by a notorious Syria-based French extremist, a source close to the investigation said on Sunday. The suspects, aged 17 and 19, live in the same area of Nice as Mohamed Lahouaiej Bouhlel, the radicalised Tunisian man who …

  The Harvard Management Co., which oversees Harvard University’s endowment and other investments, just released its 2016 annual report. It’s grim reading: The fund had a negative return of 2 percent and was worth about $2 billion less than a year earlier, underperforming its benchmarks by a significant margin. At $35.7 billion, the university’s endowment is the biggest in the …