An Indonesian police chief has been fired and nine other officers suspended after a weekend stampede at a football stadium that left 125 people dead, in one of the world’s worst sports disasters. The police chief of Malang city, Ferli Hidayat, has been replaced as part of an investigation into the tragedy on Saturday at the Kanjuruhan Stadium, national police spokesman Dedi Prasetyo said on Monday. Chaos erupted after thousands of fans invaded the pitch as hosts Arema FC lost 3-2 to rival East Java club Persebaya Surabaya. Police fired tear gas to try to quell the pitch invaders, sending spect…