ANSA news agency reported the helicopter came down in the village of Gorice in Brcko district. Images carried by local media showed a military transport helicopter overturned on the ground.
DHS said in a statement it was "aware of a potential breach and is actively working to address the situation swiftly and effectively."
Bolsonaro initially declared himself Brazil's rightful president after losing Sunday's election, before deleting his message and publishing a new one calling himself the "leader of Brazil."
The MSF internal report found a pattern of abuse and sexual exploitation by some local and foreign staff working in Chad along the Sudanese border.
Washington Institute experts warn that the economic campaign on Iran needs stronger international sanctions coordination and counterterrorism cooperation to disrupt Iran's financial networks.
A father accused of filming his children for international buyers is among the suspects investigated in Pakistan's expanding crackdown on online child exploitation.
Two high-speed trains collided near Toledo, Spain, derailing two wagons and suspending the Madrid-Andalusia rail line as officials assess injuries.
Chiara, a 21-year-old student in protest-hit Milan, believes “it's vital to take part in people's spontaneous movements born from an explosion of rage that made collective action possible.”
"The State Department will issue visas to Flavio Bolsonaro and his family and allow them entry into the United States," a senior State Department official said.
Argentina said it had no record of him entering its territory and the right-wing senator's aides either declined to say where he was or said they did not know.
UK prosecutors charged two men over a security incident at RAF Fairford, including a British national suspected of assisting Iranian intelligence activities.
