Athletic Bilbao's Europa League campaign could be over before they kick another ball after tomorrow's trip to Hapoel Kiryat Shmona was postponed due to ongoing safety concerns in Israel.
UEFA confirmed today that the match had been called off after the Spanish side reportedly revealed their concerns in making the trip to the strife-torn region earlier this week.
A bomb ripped through a bus near Israel's military headquarters in Tel Aviv this morning, wounding at least 10 people.
"A decision concerning the rescheduling of the match will be made by the end of the week." - UEFA
Athletic were due to land in Tel Aviv this afternoon before commuting to nearby Haifa, where tomorrow's match was to take place.
A statement released by UEFA this afternoon read: "The UEFA Emergency Panel met today and decided to postpone the UEFA Europa League match between Hapoel Kiryat Shmona FC and Athletic Club which was scheduled to take place on Thursday November 22 at the Kiryat Eliezer Stadium in Haifa, due to the tense security situation in the region.
"A decision concerning the rescheduling of the match will be made by the end of the week."
The decision means that Marcelo Bielsa's side, who stormed into last season's final, could be eliminated tomorrow night.
Sparta Prague need to take just a point from their home match with already-qualified Lyon to send the Spaniards out of the competition.
Bilbao have managed just a single point so far with Hapoel just a point better off.
The clubs drew 1-1 when they met on matchday one at San Mames.