Topic summary
SDLP

Extracted from the Wikipedia article Social Democratic and Labour Party.
The SDLP party platform advocates Irish reunification and, pending the unity of all the people of Ireland and while the northern jurisdiction remains part of the United Kingdom, further devolution of powers. It is a sister party of the UK Labour Party, which maintains an electoral pact with the SDLP not to stand candidates in Northern Ireland but to support SDLP candidates instead. MPs from the SDLP sit with Labour MPs on the government benches when Labour is in power, but do not take the Labour whip, though they informally did so historically.