The Official Online RBS 6 Nations Store is open. The store has everything you need to get behind your team during the RBS 6 Nations, plus the store is now fully stocked with a much wider range of rugby merchandise.
Former Harlequin Chris Malone had minutes earlier sent over a dramatic penalty to give Irish an 11-8 lead and the Exiles were left to rue to other missed drop goal efforts late on.
Leinster had led 8-3 after a try from Isa Nacewa, while Sexton and Malone traded penalty kicks.
The result means that Northampton Saints, who lost against Munster last night, now qualify in place of London Irish.