Restrictions were tightened against the entry of Israeli citizens following Mahbouh's assassination in Dubai, blamed on Israeli intelligence.[37] In 2012, Qantas teamed up with Emirates, in a deal that involved Qantas flights stopping over in Dubai on Australia-Europe flights.[38] Concerns were raised as to how the UAE travel restrictions would impact Qantas passengers who are nationals of Israel or traveling on an Israeli passport, for example, if such passengers had to stay overnight in Dubai for a connection.