Brand-new Pokémon GO Field Research tasks for September feature Fire types and the Legendary Pokémon Entei as Research Breakthrough reward

A brand-new set of Field Research tasks will soon be available in Pokémon GO. All-new Field Research tasks focusing on several Fire-type Pokémon will begin appearing on September 1 at 20:00 UTC. Players will be given a chance to add various Fire types to their team. Developer Niantic has also confirmed that the Legendary Entei will be unlocked after attaining the Research Breakthrough for next month.

Source: @PokemonGoApp