(CNN) US Secretary of State Rex Tillerson will resume his normal schedule in Kenya on Sunday after canceling his events the day before due to illness.

Tillerson arrived in Nairobi on Friday as part of a five-nation tour of Africa that includes Ethiopia, Chad, Nigeria and Djibouti.

"The Secretary is feeling better and will resume his normal schedule tomorrow," said Steve Goldstein, undersecretary of state for public affairs.

He had been feeling unwell after long days working on major issues such as North Korea, Goldstein said earlier.

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