The Egyptian expertly finished into the bottom right corner past goalkeeper Angus Gunn to give the Reds a deserved lead, before Henderson wrapped things up with a rare goal to earn all three points.
Liverpool have five games left and City have six, and with City still in the FA Cup they will have to rotate their squad a little more than Liverpool in the coming days. Jurgen Klopp's men are playing fantastic football and if Liverpool could win the title, perhaps they could attract some of the bigger names in world football and challenge City for the next few years.
Liverpool manager Jurgen Klopp hailed his side after the Reds came from a goal behind to win 3-1 at St. Mary's on Friday night.
"And the other thing is it was 1-1 and we wanted to win so the boys obviously decided not to celebrate it like insane because there was still a job to do".
"I'm very happy to score a goal to help the team".
India missile test endangers astronauts, says Nasa chief
However, the average impact speed of orbital debris with another space object will be approximately six miles per second. The Indian satellite was destroyed at a low altitude of 300 kilometres, well below the ISS and most satellites in orbit.
The ideal scenario would be Liverpool winning by such a large margin on Tuesday that resting players for the second leg would become an option.
In terms of fixtures and points, Man City know that if they win their game in-hand (at bitter rivals Manchester United), they will go one point clear of Liverpool, plus Pep Guardiola's men have a seven-goal advantage on goal difference as things stand.
"But in the moment they probably didn't think if it was in or whatever, I didn't see it back, but that's probably the reason".
"Honestly, every time I watch Liverpool play, even if Matip misses it or two full-backs aren't there because they've gone forward, he just seems to cover the whole back four".
An ecstatic Klopp joined in the celebrations on the pitch with his players who face Chelsea at home next week.
Just last week a Hugo Lloris howler gave them an injury-time victor against Spurs whereas comparatively, City seem to be winning games easily. "We are in the race and that is nice". We have got great games to watch. Salah latched onto Henderson's headed pass and ran from inside his own half before curling in his first goal in nine games from just outside the box.