Mexico’s president has vowed to continue campaigning against the opposition front-runner for the 2024 presidential elections, breaking a longstanding tradition of presidents staying out of the race to succeed them.

Mexico’s veteran political chameleon, Porfirio Muñoz Ledo, has died at the age of 89.

President Joe Biden has played host to the leaders of Canada and Mexico, reviving what used to be a North American tradition before the Trump presidency.

A referendum in Mexico has cost the country about $25 million, but only a fraction of the necessary voters to make it binding have participated.