image source, Reuters
The Firstminister should speed up legislation in Westminster to stop an immediate assembly election if devolution collapses, said SDLP leader Colum Eastwood.
MP for Foyle said called for new laws to be urgently passed by the Commons.
He accused the DUP of having a "petulant strop " by threatening to move away from th L ' executive if the Northern Ireland protocol does not change.
Boris Johnson said it was important Stormont was robust and continuous.
He said the protocol Northern Ireland has created a "mess " "and has not fulfilled the Good Friday Agreement.
Meanwhile, DUP chief Sir Jeffrey Donaldson has said the EU should stop using Ireland from the North like "political football ".
'Too fragile '
He said it was a "dangerous game " and added that "Northern Ireland should not be used as a kind of ping-pong between the UK and the EU ".
The DUP leader testified before the Constitutional Committee of the House of Lords.
He told his peers that the "delicate constitutional balance " in Northern Ireland was "too fragile for people to play with ".
image source, PA Media caption of the image 'image Colum Eastwood said the legislation urgently needs to be brought before the Commons
Last week Sir Jeffrey Donaldson warned that his party could quitter Stormont within a few weeks if his demands on the Northern Ireland protocol were not met.
He also said his party would boycott most north-south ministerial meetings and would warn that this could not be "business as usual ".
Addressing the Committee of Lords, Sir Jeffrey said there had to be changes to protocol and said that "peace and prosperity are twins " that go hand in hand.
The MP for Lagan Valley also said he does the difficulties linked to the protocol should not be left lying around.