Whitehawk’s FA Cup adventure came to an end in dramatic fashion as they were beaten 3-2, after extra time, by Dagenham & Redbridge.
An upset looked to be on the cards when Danny Mills nodded the National League South side in front, but the League Two Daggers fought back through goals from Kyle Vassell and Josh Passley.
It was a case of Déjà vu in stoppage time though as the Hawks replicated what they did in the first match by equalising through substitute Juan Cruz Gotta’s header.
However, Ayo Obileye’s 100th-minute header broke Sussex hearts and secured Dagenham a big trip to Everton in the third round.
On Tuesday, Salford City’s remarkable FA Cup journey came to an end as they were beaten 2-0 at League Two side Hartlepool United in their second round replay.
The Ammies took Pool into extra-time, but goals from Scott Fenwick and Mikael Mandron knocked out the Northern Premier League outfit.
Ronnie Moore’s side will now host Derby County in the third round.
National League side Grimsby were also eliminated after a late Abu Ogogo goal saw Shrewsbury advance.
The match looked set to be heading into extra-time but the midfielder struck a last-gasp winner to secure the League One side a third round trip to Cardiff.
Scunthorpe United also knocked out lower league opposition as they cruised to a 3-0 win at home to Leyton Orient.
A second half own goal by Jean-Yves Mvoto was followed up by strikes from Jack King and Hakeeb Adelakun.
The victory sees League One Scunny face a glamorous trip to Premier League champions Chelsea in round three.
Walsall also progressed to the third round after seeing off Chesterfield 5-3 on penalties.
Paul Downing struck the Saddlers’ winning kick which sees them travel to old boss Dean Smith’s Brentford side in the third round.