More than 160 youths were arrested during a second night of violent protests following the death of a young man...the worst outbreak since 1997.
Roma leader Kiril Rashkov...aka "King Kiro"...was arrested after a van belonging to his family killed a man.
Rashkov was charged with threatening to commit murder.
Anti-Roma demonstrations have become more numerous and violent there recently ...leading to mass arrests.
Roma are around 5% of Bulgaria's population of 7.4mn.