Mexican president Claudia Sheinbaum and Canadian Prime Minister Justin Trudeau both announced their own levies on Saturday

Questions remain over the mid-air collision between a jet, which was carrying 64 people, including the crew, and a military helicopter carrying three soldiers

All six people on board the Learjet 55 were Mexican citizens, the country’s president has confirmed

Aircraft carrying six Mexican nationals came down just after 6pm near Roosevelt Mall, damaging at least half a dozen homes as well as vehicles as it erupted in a fireball

None of the 67 passengers and crew are believed to have survived