A 'watershed for Northern Ireland that will change the dynamic of local politics for good' - @naomi_long on Alliance #LE19 gains

An "incredible result" that is a a watershed moment for Northern Ireland politics. That's how Alliance leader Naomi Long hailed her party's result in last week's local government elections. The party saw a 65% rise in its representation. But, the DUP and Sinn Féin are still the two biggest parties. So, has something fundamental changed in Northern irish politics? Stephen spoke to the Alliance Party leader, and SDLP leader Colum Eastwood.