When he died on the fifth day of Hanukkah 1949, the Mount of Olives in Jerusalem was inaccessible being under Jordanian control. As he died on a Friday there was also not enough time to organise a plot in the ancient Jewish cemetery in Safed.
At the moment of his death on the fifth day of Hanukkah 1949, the Mount of Olives in Jerusalem was inaccessible due to its status under Jordanian control. Moreover, since he died on a Friday, there wasn't sufficient time to prepare for a burial in the ancient Jewish cemetery in Safed.