Allies of Philippine Vice President Sara Duterte are outperforming in the early count for the Senate election, an unexpected setback for President Ferdinand Marcos Jr. that boosts his deputy’s chances of surviving an upcoming impeachment trial and remaining eligible to run for the presidency in 2028.

Election officials say former Philippine President Rodrigo Duterte has been elected as mayor in his home city by a landslide, despite his detention by the International Criminal Court.

Despite the ICC's case also including alleged killings of criminal suspects by a "death squad" in Davao while Duterte was mayor - which he has denied - analysts have said his arre