The presidents of three Ebola-stricken West African nations have sought an immediate outpouring of money, doctors and hospital beds as representatives of nations gathered at a World Bank meeting promised to send more aid.

The head of Guinea's Treasury was gunned down as she drove home in what her colleagues said was a brazen assassination aimed at silencing her for launching an investigation into the disappearance of millions in state funds.

Guinea's democratically elected president survived an assassination attempt this morning when gunmen descended on his home.