tenant needs to move out of condo we just sold

[Kirsty Simpson]

looking for advice: We just sold our condo investment property here in San Diego about and we're in day 30 of a 60 day escrow, as our tenants lease ends April 30th. They have been given notice that they need to move out then. 

What's our options if the tenants don't move out by the end of the month or can't find another place to move to? Will the sale fall through? 

thanks