A stunning double from summer signing Camilo Durán helped Celtic open up a commanding lead against LASK Linz in their Champions League playoff.
Benjamin Nygren also produced a superb finish to send Martin O'Neill's side on their way to a 3-0 first-leg win over their Austrian opponents in Glasgow.
The visitors had two goals disallowed for offside and created chances throughout in an open encounter but Celtic were clinical as they continued their strong start to the season.
Nygren has been at the heart of it with four goals and four assists in as many games and he opened the scoring in the 26th minute.
The Sweden international readjusted his body to volley into the top corner from 20 yards after a weak clearance from Kieran Tierney's cross.
Duran scored a near identical goal eight minutes later, firing into the same top corner from the same spot after Tierney's cross was headed out. The only major difference was the Colombian struck his volley first time.
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The former Qarabag forward netted his third Celtic goal midway through the second half, exchanging passes with Nygren after a flick from another summer signing, Kasper Hogh, and stroking the ball into the top corner from inside the box.