ɹᵻpˈoːɹɾᵻdli, sˌʌm pɹətˈɛstɚz θɹˈuː stˈoʊnz ɔnðə mˈæɹəθˌɑːn, wˌɪtʃ pɹˈɑːmptᵻd sᵻkjˈʊɹɹᵻɾi fˈoːɹsᵻz tə kəndˈʌkt ɐ nˈʌmbɚɹ ʌv ɚɹˈɛsts.
Reportedly, some protesters threw stones on the marathon, which prompted security forces to conduct a number of arrests.