"It's hard to take. I'm heartbroken for the lads because we've given everything and deserved more," said Southgate.
"We were disciplined and gave them a lot of problems. We're incredibly down because we would have been disappointed with a point.
"We had no fear of Liverpool. It was a freak goal which got them back into the game. The improvement from 12 months ago is light years.
"Once they got the equaliser maybe an element of fatigue and a desire to protect what we had rebounded on the players."