Luigi Mangione, the Maryland man accused of murdering United Healthcare CEO Brian Thompson, pleaded not guilty to federal ...

Under current Vatican rules, only cardinals under the age of 80 are allowed to cast a vote for pope. The Vatican's press office currently lists 135 cardinals as eligible to vote in the conclave.

Following the funeral in St. Peter's Square, expected to draw up to 200,000 mourners, Pope Francis' casket will make its way to St. Mary Major Basilica for burial.

Pope Francis' funeral this weekend will see global leaders including President Donald Trump and Prince William.