Protesters were seen running from rubber bullets and tear gas Sunday as Philadelphia's curfew went into effect at 6 p.m.
Two police vehicles were set on fire, CNN's Brian Todd reported. Protesters smashed the windows, poured lighter fluid and set them on fire.
Looting also took place on 52nd Street. Police then made contact with protesters with tear gas and rubber bullets
At least 200 people have been arrested since noon Saturday.
The Southeastern Pennsylvania Transportation Authority (SEPTA) is suspending all “bus routes, trolleys, the Market-Frankford, Broad Street, Norristown High Speed Lines and Regional Rail Lines” from 6 p.m. Sunday through 6 a.m. on Monday “due to civil unrest and vandalism,” SEPTA tweeted.
SEPTA is the major public transportation provider in Philadelphia and its surrounding counties in Pennsylvania.
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CNN’s Ganesh Setty contributed to this report.