Aberdeen’s Dublin-born winger Jonny Hayes celebrates scoring his side’s first goal during the Scottish Premiership match against Celtic at  Pittodrie. Photograph:   Jeff Holmes/PA

Aberdeen 2 Celtic 1 With the treble now gone, even the most certain of certainties are now being questioned at Celtic. Ronny Deila needed a domestic (...)

Celtic celebrate after Gary Mackay-Steven’s third goal in their 3-1 win over St Johnstone. Photograph: Reuters

Celtic 3 St Johnstone 1 Gary Mackay-Steven scored his first two goals of the season as Celtic restored their six-point lead in the Ladbrokes Premie(...)

Celtic’s Leigh Griffiths lifts the ball over Hamilton goalkeeper Michael McGovern to score his side’s seventh goal and complete his hat-trick. Photograph:  Lee Smith/Action Images via Reuters/Livepic

Celtic 8 Hamilton 1 Striker Leigh Griffiths helped himself to a hat-trick as Celtic thrashed hapless Hamilton 8-1 at Parkhead to go six points clear (...)

Nadir Ciftci heads home Celtic’s third goal in their Scottish Premiership clash with St Johnstone at  McDiarmid Park. Photograph:  Graham Stuart/Action Images via Reuters/Livepic

St Johnstone 0 Celtic 3 Celtic confirmed their domestic strength with a victory over St Johnstone at a freezing McDiarmid Park to take them four poin(...)

Celtic’s Anthony Stokes: “Buzzing to be brought all the way up to inverness with the team to sit in the stands today, lovely weather for it too.” Photograph: Ian MacNicol/Getty Images

Manager Ronny Deila accused Anthony Stokes of disrespecting his Celtic team-mates by taking to social media to complain about being left out (...)

Carlton Cole celebrates after scoring the third goal for Celtic. Photograph: Graham Stuart/Reuters

Inverness 1 Celtic 3 Celtic moved seven points clear of Aberdeen at the top of the Ladbrokes Premiership with a 3-1 win over Inverness at (...)

 Leigh Griffiths celebrates scoring Celtic’s third goal at Dingwall yesterday. Photograph: Craig Watson/PA

Ross County 1 Celtic 4 Celtic banished their Molde misery with a commanding 4-1 Scottish Premiership win at Ross County as striker Leigh Griffiths gr(...)

Molde  Norwegian forward Mohamed Elyounoussi   score his team’s first goal during the  Europa League match against  Celtic  at Celtic Park. Photograph: Andy Buchanan/AFP/Getty Images

Celtic 1 Molde 2 Ronny Deila remains confident of his Celtic future and the club’s Europa League prospects despite the 2-1 home defeat by Molde(...)

Leigh Griffiths scores Celtic’s opening goal in the Scottish Premiership match against Aberdeen at Celtic Park. Photograph: Graham Stuart/Action Images via Reuters/Livepic

Celtic 3 Aberdeen 1 Leigh Griffiths helped himself to a double as Celtic went seven points clear of Aberdeen at the top of the Scottish Premiership wi(...)

Aberdeen’s Paul Quinn celebrates his late winner against Celtic in the Scottish Premier League. Photo: Graham Stuart/Reuters

Aberdeen 2 (Rooney 57', Quinn 86') Celtic 1 (Griffiths 35') Paul Quinn’s dramatic late winner against Celtic at Pittodrie set a club record for(...)