Would you buy a used car from this man?
Home affairs spokesman Nick Clegg said those staying long-term should be able to apply for permanent residence.
But they should be required to fulfil a series of conditions, such as the ability to speak English, he said.
The Home Office said it had no plans for an amnesty and was removing a failed asylum seeker every half hour. Lib Dems urge immigrant amnesty (more)
Mark Alexander