Steve Rigg in possession Picture: Tony Flashman

Nassim L'Ghoul keeps the Shrimpers occupied Picture: Tony Flashman

Ruel Sotiriou celebrates his 84th-minute goal Picture: Tony Flashman

A jubilant Dover fan savours Ruel Sotiriou's late winner Picture: Tony Flashman

Whites supporters have plenty of reasons to be cheerful Picture: Tony Flashman

There's nothing like an FA Cup upset Picture: Tony Flashman

Jai Reason stands his ground Picture: Tony Flashman

Whites' Inih Effiong takes a tumble Picture: Tony Flashman

Dover manager Andy Hessenthaler salutes the home fans Picture: Tony Flashman

Southend boss Sol Campbell makes his way to the Crabble dugout Picture: Tony Flashman