For the second time in six months, voters in a blue state have signed off on an aggressively gerrymandered US House map to help Democrats fight back in a redistricting war launched by President Donald...

The map, as extreme a gerrymander as exists in the United States, could let Democrats win 10 of the state’s 11 House seats as the party tries to win back the chamber.

The race saw heavy spending by Democratic-linked groups and others, who poured more than $64m into the main committee backing the referendum.