Jeremy Corbyn says he is "sorry we came up short", while John McDonnell says he "owns this disaster".
The Scottish first minister tells the BBC that if the union is to continue, "it can only be by consent".
The man is critically ill after being shot by police on a street in Hull.
The government is to examine whether failure to buy an annual TV licence should remain an offence.
About 40 firefighters worked through the night to extinguish the fire in a building in Glasgow's Pitt Street