Obamas share warnings about Trump amid rousing Harris endorsements

Former President Barack Obama speaks during the Democratic National Convention in Chicago. (Erin Hooley/AP)

Former US president Barack Obama and his wife Michelle have called on the nation to embrace Kamala Harris in speeches at the Democratic National Convention.

Mr Obama wrapped up the second night of the convention in Chicago, praising the Vice President and her running mate Governor Tim Walz while taking aim at Republican rival Donald Trump.