LONDON: Arsenal endured a nervous night as they lost 1-0 to Greek side Olympiakos on Thursday (Mar 18) but progressed into the Europa League quarter-finals 3-2 on aggregate. After a 3-1 victory in Athens last week and reaching halftime unscathed in the return, Arsenal looked comfortable. But when Youssef El Arabi's deflected shot left Bernd Leno wrong-footed early in the second half it gave the visitors hope and increased the tension among the home ranks. Arsenal wasted several late chances to ease the