Thai police on Saturday said two suspects were in custody as authorities investigated a bombing in the north that killed at least three people and injured dozens of others. An explosive device was thrown into a crowd during an outdoor performance at an annual festival in Umphang town in Tak province, which borders Myanmar, on Friday just before midnight, according to the Association of the Umphang Rescue Groups. Local police said at least 48 people were injured and that police have not yet pressed charges against the suspects as the investigation is ongoing.