Lando Norris has admitted he found qualifying ‘tough’ on Saturday, despite securing pole for the Singapore Grand Prix. The McLaren driver has enjoyed a positive campaign so far, with the 24-year-old winning races in Miami and the Netherlands so far. Norris was quickest in qualifying on Saturday, with the Briton managing to fend off competition from Max Verstappen to secure pole. And the McLaren driver has now reflcted on the day in Singapore, telling Sky Sports: “It was tough, especially through qualifying. “I was finding it a little difficult to progress much and gain a lot of lap time. “And …