Barcelona v Real Betis (19:15 BST) A poignant evening in store.

PSG v Toulouse (20:00), where Neymar will be making his home debut.

Deportivo v Real Madrid (21:15). The Spanish champions begin their defence away from home.

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Barcelona manager Ernesto Valverde said tonight's match will be played in "extraordinary and lamentable circumstances".

"We are calm. Moreover, we support the reaction of the people in Plaza Catalunya, that 'we are not afraid'," he added.

"We have to stand up to these circumstances and the best way is by moving forward. It is our job and we we have an important game, but it is a different day for everyone.

"It makes you reflect at times when you have problems that everything is relative. It puts things in their place and that there are far more important things than small problems."

There will be a minute’s silence before kick-off, and players will be wearing black armbands.

It will be an evening of solidarity and solace, and football.

Barca are to play in special a kit, without individual names on the back - just Barcelona.

And the front will bear the message: 'Tots som Barcelona', 'We are all Barcelona', in Catalan.

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Where do you even begin?

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Yesterday, at football grounds across Europe, tributes were paid to the victims of Thursday's attacks in Barcelona and Cambrils, in which 14 people were killed and more than 100 injured.

• Spain attacks: How Barcelona rejected hate
• Barcelona and Cambrils attacks: What we know so far

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Sevilla's Ramon Sanchez-Pizjuan stadium was illuminated with the yellow and red of the Catalan flag for the visit of Espanyol.

A minute's silence was held before each Premier League game, and fans in Italy, Germany and France paid their respects too.

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Tonight, we return to Barcelona. Almost 100,000 people will be inside Camp Nou, to the west of Las Ramblas, the street that never ends.

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