African leaders are heading to Washington ahead of the US-Africa summit that will be hosted by President Joe Biden.
The three-day summit begins on Tuesday and will aim to demonstrate the commitment of President Biden's administration to the continent, according to organisers.
A total of 49 heads of state and African Union Commission Chairperson Moussa Faki Mahamat have been invited to the summit.
Mali, Guinea, Sudan and Burkina Faso - which are suspended by the African Union - were not invited. Eritrea was also excluded.
Some African leaders have been tweeting about their departure to the summit.