James Forrest equalised for Celtic to help the Hoops leave Romania with a 1-1 draw from the first leg of their third round qualifying match against CFR Cluj in the 2019/20 UEFA Champions League on Wednesday.
Earlier, Porto left Russia with a 1-0 win over Krasnodar thanks to attacking midfielder Sergio Oliveira's goal in the penultimate minute.
Giorgos Masouras saw Olympiakos to a win in Turkey against Istanbul Basaksehir. The hosts' task was made more difficult when they were reduced to 10 men in the 80th minute after midfielder Irfan Kahveci received a second yellow card.
Basel were on the way to a shock defeat at home when Gernot Trauner headed in for LASK five minutes after the break.