The Belgian government on Monday handed over the only known remains – a single tooth – of Congo’s first democratically elected prime minister Patrice Lumumba to his family, the Belgian press agency Belga reports. Lumumba’s remains were returned to his descendants present at a ceremony in Brussels, Belga reports. Belgian Prime Minister Alexander De Croo offered an apology to Lumumba’s family over the failure of Belgian authorities to prevent his death, Belga writes. De Croo added that the Belgian government at the time bears a “moral responsibility” for the circumstances that led to the killing…