After the Catalans scraped a comeback win at Valladolid on Saturday, Madrid survived a late Celta fightback to maintain the four-point gap ahead of next Sunday's Clasico.
Arda Guler broke the deadlock for Real shortly after the half-hour mark as the Turkish 20-year-old took a short corner for a one-two with Lucas Vazquez before dispatching an excellent left-footed shot from a tight angle through a gap between defenders.
Barca have 79 points ahead of second-placed Real Madrid, who host Celta Vigo on Sunday. Hansi Flick's side next visit Inter Milan in the second leg of their Champions League semi-final on Tuesday after a 3-3 draw in midweek.
Barcelona and Atletico Madrid were also among a slew of top-flight clubs joining La Liga in expressing their condolences for Francis.
Flick said it was one of those comebacks that nobody forgets easily, adding it was not easy to win after Borja Iglesias netted a hat-trick to give Celta a 3-1 lead.
Mbappe will miss Madrid's next La Liga match against Athletic Bilbao on Sunday, as Ancelotti's side try to overhaul leaders Barcelona.
Julian Alvarez, who coolly slotted home two penalties on the night, now boasts 26 goals in all competitions—14 in La Liga. But according to his coach, there’s still room to grow.
It was his first red card after joining the Spanish and European champions last summer.
Barcelona extended their advantage in the Spanish top flight with a 1-0 win at Leganes on Saturday, completing a 12-match unbeaten run and moving seven points clear of second-placed Real Madrid.
Real Madrid midfielder Toni Kroos on Monday doubled down on his criticism of players moving to Saudi Arabia, due to the human rights situation in the country.
Xavi Hernandez's side, third, shared the spoils with their relegation-battling opponents, 19th, after a thrilling battle at the Olympic Stadium, but now trail leaders Real Madrid by 10 points.
Regarding his thunderbolt, Vinicius added: “I don't tend to shoot from outside the box but I felt confident and I didn't get to play the last game and it came off. I'm thrilled but now we have to rest up before Tuesday."
League leaders Madrid opened up a five-point gap on shock title challengers Girona, second.
Barcelona coach Xavi Hernandez said Saturday goalkeeper Marc-Andre ter Stegen and winger Raphinha are fit again after injury to help the team's ailing title defence.
Ideally, sports and politics should never mix, but inevitably, sports and politics always mix.
La Liga reported racist insults aimed at Vinicius Junior ahead of a league match last week at Getafe's stadium to Spanish prosecutors on Tuesday.
"(Atletico) are taller and they took advantage of that," noted Ancelotti.
Real Madrid coach Carlo Ancelotti said Saturday Barcelona complaints over his club allegedly influencing La Liga referees were unprofessional.
Barcelona earned a 3-1 win at Alaves in La Liga on Saturday with Brazilian teenager Vitor Roque scoring and then sent off in a lively appearance off the bench.