Mercedes on Twitter: Only Hamilton, Rosberg and Vettel remained on primes in Q1 - all others took a set of options.

Things are looking good for Carlos Sainz at his home race.

No Toro Rosso has ever started in the top-10 in Catalunya, could the Spaniard be about to change that?

1) Lewis Hamilton 2) Nico Rosberg 3) Kimi Raikkonen 4) Carlos Sainz 5) Felipe Massa 6) Valtteri Bottas 7) Pastor Maldonado 8) Romain Grosjean 9) Max Verstappen 10) Sebastian Vettel

11) Daniel Riccardo 12) Felipe Nasr 13) Jenson Button 14) Daniil Kvyat 15) Fernando Alonso

16) Marcus Ericsson 17) Nico Hulkenberg 18) Sergio Perez 19) Will Stevens 20) Roberto Merhi

Lewis Hamilton is fastest in the first part of qualifying for Spanish Grand Prix.

While his team-mate Sebastian Vettel is on hard tyres, Kimi Raikkonen has been sent on the medium compound and he goes second with 1:26.490. However, just to highlight the pace Mercedes' possess, Lewis Hamilton goes fastest of all on the slower hard tyre with 1:26.382.

Daniil Kvyat, Romain Grosjean, Pastor Maldonado, Will Stevens and Roberto Merhi are the five in the drop zone with two minutes left.

Pirelli on Twitter: Track temperatures in excess of 40 degrees; most teams will try to get through Q1 on the hard tyre, before medium for Q2.

The McLarens do indeed head out and complete their first timed laps, with Fernando Alonso and Jenson Button, both on medium tyres, going fifth and sixth fastest respectively.

Image source, McLaren

McLaren: The engines are on and the boys are off. Stay tuned for team radio & stats throughout quali.

Lewis Hamilton is three tenths of a second quicker than Nico Rosberg on the harder compound and he climb into P1, but then complains of poor grip - a common complaint from the drivers so far this week. The top five is currently Hamilton, Rosberg, Sebastian Vettel, Felipe Massa and Carlos Sainz - all setting their best time on the hard tyres.

Lewis Hamilton warms up with a 1:35.685 before Nico Rosberg goes fastest with 1:27.677. Seventeen drivers have clocked timed laps now with eight minutes left.

Lewis Hamilton and Nico Rosberg, on the hard tyres, head out as the circuit starts gets busier.

Roberto Merhi kicks things off with a 1:32.038, before Nico Hulkenberg goes fastest with 1:28.677.

Roberto Merhi is the first out on the circuit, with medium-compound tyres bolted on his Marussia.

The clock has started ticking down and 18 minutes of the first part of qualifying is under way.

Image source, Lotus

Lotus: Track temp 45 and air temp 24. Not much chance of rain for #Quali.

Evidently it is baking hot in Barcelona today with plenty of fans at the circuit strolling around with their shirts off. Lewis Hamilton complained of a hot seat in practice yesterday, will it be back to bug him in qualifying too?

Just two minutes until qualifying gets under way.

BBC Radio 5 live sports extra

If you click the live coverage tab right now you can listen to commentary and team radio from qualifying via BBC Radio 5 live sports extra.

A trademark smile from Daniel Ricciardo as he greets former Red Bull driver and fellow Australian Mark Webber in the Red Bull garage.

What will he think of his former team's performances so far? Red Bull have not scored a top-five finish in the opening four races of the season, which is their worst-ever start to a season since starting their relationship with Renault in 2007.

Image source, Getty Images

If you followed Friday's coverage of practice you will have seen we took a step down memory lane to check out some memorable moments from Spanish GPs of the past.

I've been sitting on this one for a while but time to unleash it and showcase Brazil striker Ronaldo's denim shirt and jeans combo in all its glory.

Ronaldo is presenting Michael Schumacher with a shirt before the 1997 Spanish Grand Prix.

The race itself, won by Jacques Villeneuve, was memorable for a Olivier Panis' performance after he climbed from 12th to finish second.