The husband of a PKR branch leader died when he collapsed while fleeing from the tear gas fired by the police.
According to party leader Latheefa Koya, the deceased had been identified as Baharuddin Ahmad, 59.
His wife, Rosni Malan, the PKR Setiawangsa chief, was at Stadium Merdeka when the incident happened.
According to Latheefa, Baharuddin ran when the police fired tear gas and he had tripped over another person.
He was then rushed to Hospital Kuala Lumpur, where he was pronounced dead.
Latheefa is currently checking with the family to determine if a post-mortem should be conducted.