Protests continued and commercial activities were suspended in Pakistan's southern port city of Karachi on Wednesday after Muttahida Qaumi Movement (MQM) chief Altaf Hussain was arrested on Tuesday for interrogation in Britain, local media reported.
Unidentified persons torched four vehicles and fired in the air in the Pakistani commercial hub of Karachi on Tuesday shortly after the police in London arrested a powerful Pakistani politician Altaf Hussain over money laundering charges.