Republicans unseated in state polls a threat to Trump?

A year before US presidential election, Democrats have unseated a number of Republicans in state polls, seen as setback to US president.

Just a year before the United States presidential election, Democrats have unseated a number of Republicans in state polls.

This is seen as a setback for President Donald Trump, who campaigned for fellow Republicans before Tuesday’s elections.

Al Jazeera’s Katia Lopez Hodayan has more.