Closing Approaching, Bad Tenant hasn't Vacated

[Kathy Henley]

March 10 is our closing date of a 4-family in St. Louis.  One tenant was/is a trouble maker, violating his lease and late on his rent.  Therefore, we bought on contingency that he vacate by closing.  Seller agreed. That date is Monday and he is still IN.  Says he needs another month.  We are certain that we don't want to take possession until he is gone.  What will the lenders do?  Is there anything I should do besides  wait?