UK and Northern Ireland self-governing government established, first Prime Minister from political party advocating unity. Prime Minister O'Neill has emphasized his willingness to cooperate with Protestant parties and other parties that have historically been at odds.

Sinn Féin's predecessor is the political wing of the extremist group IRA (Irish Republican Army), which has repeatedly engaged in armed struggles in the past. The management of the autonomous government, including its relationship with the Sunak government, is attracting attention, NHK says.