Liverpool s Egyptian striker Mohamed Salah (L) kicks to score his team s first goal during the English Premier League football match between Liverpool and Brentford at Anfield in Liverpool, north west England on May 6, 2023. Photo: AFP
For the third season in a row, Salah has reached 30 goals in all competitions thanks to his first half strike.
The Egypt star is the first player in Liverpool history to net in nine successive games at Anfield, with his strike taking him to 100 career goals at the stadium.
He also moved level with Steven Gerrard's Liverpool tally of 186 goals, sitting in joint fifth place in the club's all-time scoring list.
Jurgen Klopp's fifth placed team climbed within one point of fourth placed Manchester United after their sixth successive league victory.
United's defeat at Brighton in midweek has given Liverpool renewed hope of qualifying for the Champions League via a top four berth.
But United, who travel to West Ham on Sunday, have two games in hand and remain favourites to finish above their bitter rivals.
Salah's memorable evening was partially overshadowed by the Liverpool fans who booed the national anthem just hours after the coronation ceremony at Westminster Abbey.
Liverpool said on Friday they would play the anthem prior to kick-off despite acknowledging "some supporters have strong views" on the subject.
As "God Save the King" was played, boos and jeers were eventually drowned out by chants of "Liverpool" from the home fans.
Liverpool supporters have repeatedly booed the anthem in recent years, most notably ahead of last season's FA Cup final.
UK government plans to leave the city to "managed decline" in the 1980s and the cover-up that followed the Hillsborough disaster in 1989, which caused the death of 97 Liverpool fans, have been cited as reasons for anti-establishment protest.
Once the focus switched from the dissenters in the stands to the action on the pitch, Liverpool showed why Klopp says coaching "is a joy again" after their recent revival.
Liverpool were beaten 3-1 at Brentford in January in the midst of a dismal spell that encapsulated their largely disappointing season.
They are a more cohesive unit now and Salah opened the scoring with his landmark goal in the 13th minute.
Fabinho's lofted pass was headed back across goal by Virgil van Dijk and Salah was on hand to stab home from close-range.
Darwin Nunez missed a sitter when he scuffed wide from close-range after Trent Alexander-Arnold's lofted pass split the Brentford defence.
Brentford threatened to punish Nunez's profligacy when Ivan Toney whistled a free-kick just wide from 30 yards.
Bryan Mbeumo thought he had equalised after accelerating away from Van Dijk to slot past Alisson Becker, but the goal was disallowed for a tight offside call.
Liverpool were unbeaten in their last 122 Premier League matches when leading at half-time.
Cody Gakpo should have put them closer to maintaining that streak when he somehow missed from close-range after Diogo Jota's pass presented him with a glorious chance.
In a second half with little rhythm due to endless fouls by both teams, Gakpo blasted narrowly wide as Liverpool nervously hung onto their lead.
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