PTI worker killed, six injured in firing at Quetta protest rally.

QUETTA -- At least one Pakistan Tehreek-e-Insaf (PTI) worker was killed and six others injured on Tuesday during a firing incident at a protest rally in Quetta.

Highly charged supporters of former Prime Minister Imran Khan blocked the main Quetta Airport Aoad to protest against his arrest.

"There was a firing incident inside the PTI rally," a senior police officer told The Express Tribune, requesting anonymity as he was not authorised to speak to the media.

PTI Balochistan President Munir Baloch accused the police of firing on the protesters, demanding an investigation into the incident.

Enraged demonstrators burnt two police vehicles parked near the rally and pelted stones as police fired tear gas to disperse the highly charged supporters of the PTI chief.

Protesters also burnt tires on the main Airport Road Chowk...