Messi and Suarez on the double in Barca stroll
Barcelona opened up an 11-point lead at the top of La Liga by hammering Real Betis 5-0 at the Estadio Benito Villamarin.
They had to wait until the second half to open the scoring through Ivan Rakitic in the 59th minute.
Lionel Messi made it 2-0 five minutes later and Luis Suarez's effort in the 69th minute effectively ended the contest.
Messi added his second with 10 minutes remaining and Suarez then completed his brace.
Barca are 19 points ahead of fourth-placed Real Madrid after extending their unbeaten run in the league to 27 games.
Gareth Bale, Cristiano Ronaldo and Nacho all scored twice as Real Madrid got back to winning ways with a crushing 7-1 victory over Deportivo La Coruna.
Bale took his tally to five goals in his last four matches to help Real, who fell behind, to only their second win in six matches in all competitions.
Second-placed Atletico Madrid were held to a 1-1 draw at home by Girona.
Antoine Griezmann put the constant speculation over his future to one side to fire Atletico ahead in the first half at the Wanda Metropolitano stadium, but Portu levelled with 17 minutes left to earn the visitors a point.
The France forward has been heavily linked with a move to Barcelona, who denied they had reached an agreement to sign the 26-year-old French striker this summer.
Valencia, who had two players sent off, missed the chance to move level on points with Atletico as they lost 2-1 at relegation battlers Las Palmas.
In Germany, Thomas Muller scored twice to reach 100 Bundesliga goals as Bayern Munich came from behind to beat Werder Bremen 4-2 and extend their lead at the top of the table. Bayern, who have won six league games in-a-row, are 16 points clear.
In Italy, Dries Mertens scored the only goal of the game as Napoli beat Atalanta. The win puts Napoli four points clear of Juventus, who face Genoa tonight.
In France, Memphis Depay scored a late winner for Lyon in their 2-1 win over league leaders Paris St Germain, who had Dani Alves sent off early in the second half.