Celtic blow four-goal lead, exit Champions League

Celtic suffered a humiliating 5-1 defeat to LASK in Austria, blowing a four-goal aggregate lead to exit the Champions League in extraordinary fashion.

Manager Martin O'Neill took full responsibility for the crushing loss, which saw LASK score four times in regulation and once in extra time.

The Scottish champions had led 4-0 on aggregate before the collapse.

The result ranks among the most shocking European exits in Celtic's history.