New poll shows Harris four points ahead of Trump in three key swing states

Crucial states of Wisconsin, Pennsylvania and Michigan are now leaning Democratic, according to NYT/Siena poll

A major new poll puts Kamala Harris ahead of Donald Trump in three key swing states, signaling a dramatic reversal in momentum for the Democratic party with three months to go until the election.

The vice-president leads the ex-president by four percentage points in Wisconsin, Pennsylvania and Michigan, 50% to 46%, among almost 2,000 likely voters across the three states, according to new surveys by the New York Times and Siena College.