Outgoing US President Barrack Obama's grandmother Mama Sarah is among people who reacted to the surprise win by Republican candidate Donald Trump.

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While addressing journalists at her Siaya home, Mama Sarah congratulated Trump for the win but urged him to emulate her grandson.

 "I want to urge him to work well like my grandson did. He should work hard to keep Americans united," said Mama Sarah Obama.

She added that there was no hard feelings over Obama's end of tenure at the White House.

"We expect the new President to preach peace to the world. He should come and visit us as a private American citizen," she said.