The incident led to a temporary suspension of play at White Hart Lane, where Mauricio Pochettino's men would eventually triumph 1-0 thanks to Benjamin Stambouli's first goal for the club.
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The win against already eliminated Partizan means Spurs progresses to the round Tiempo Legend V FG for sale of 32 with a game to spare, although it is the unsavoury incidents which will be making the headlines - just like in the sides' previous meeting.
September's 0-0 draw in Belgrade was shrouded in controversy after home fans displayed an anti-Semitic banner.
It led to UEFA fining Partizan and handing down a partial stadium closure for its next home match, although this time it is Tottenham facing the wrath of Hypervenom Phelon IC European football's governing body.
On three different occasions members of Hypervenom Phantom FG the public snuck onto the field, leading referee Yevhen Aranovskiy to temporarily suspend a match in which an Albanian flag was seen Magista Obra FG Black in the home end - an apparent bid to rile visiting fans after last month's UEFA EURO 2016 qualifier in Serbia was abandoned.
With so much happening around the ground, it was easy at times to forget this was an important game for Tottenham - one which saw it qualify from Group C with a match to spare.
It was far from a straightforward win as Partizan produced a spirited performance, although Spurs eventually won through thanks to Stambouli's strike shortly after half-time.
Happy to be back on the pitch and to get the 3points at the lane !