Dhaka, Aug. 8 -- Ghana has declared three days of national mourning after two government ministers were killed in a military helicopter crash on Wednesday.

A helicopter crash has killed all eight people on board, including the nation's defence and environment ministers, according to Ghana's government.

Defence Minister Edward Omane Boamah and Environment Minister Ibrahim Murtala Muhammed were among the victims of the crash in the southern Ashanti region of the country, said Julius Debrah, chief of staff to President John Mahama, on Wednesday.

"The president and the government extend their condolences and solidarity to the families of our comrades and soldiers who fell in their service to the nation," said Debrah.

Also among the victims ...