The country is into the second week of the National Election campaign period.
O’Neill is the parliamentary leader for the ruling People’s National Congress Party, while Polye heads the Triumph Heritage Empowerment Party.
Both parties are going into the election with over 90 endorsed candidates, with the aim to form the next government in July.
PNC has 93 candidates while THE party has 90 candidates contesting for the 111 seats in Parliament.
Ijivitari MP David Arore said the prime minister will open the Popondetta Hospital theatre ward today.
He is also expected to campaign for his endorsed candidates.
Meanwhile, Polye’s visits follow an invitation from Northern Governor and People's Movement for Change Party leader, Gary Juffa.
According to the Opposition Leader’s office, Polye will officially announce THE party candidates for Sohe Open, George Soka and Ijivitari Open, Benson Garui.