Trump spoke for 50 minutes to more than 2,000 people at a Republican fundraising dinner in Birch Run, Michigan.
It was his first public appearance since the first GOP primary debate and his first appearance as a presidential candidate in Michigan.
In Simi Valley, California, Bush stepped up his criticism of Hillary Rodham Clinton and her tenure as Secretary of State, arguing in a speech that the Democratic front-runner shares in the mistakes that he said has led to the rise of the Islamic State group (IS).
Source:
AP