The explosion took place at round 10.30 pm local time following Besiktas ' 2 - 1 home win over Bursaspor .
The explosion reportedly targeted a riot police bus right outside the stadium .
The explosion , which reportedly targeted a riot police bus right outside the stadium , took place at round 10.30 pm local time following Besiktas ' 2 - 1 home win over Bursaspor .