Under current party rules, MPs cannot mount a fresh challenge against Theresa May until December.
Fr Martin Magill receives a standing ovation when he asks why it took the journalist's death to unite parties.
Joseph Russo was top of Change UK's Scottish list, but quit after facing "personal scrutiny" over online comments.
Scotland's first minister says an independence vote should be held before the next Holyrood election.
Emily Thornberry says Lyra McKee's death shows the need to solve the Brexit Irish border issue.