At least two people were killed and several others received injuries of varying severity as a result of fire opened by an unknown attacker in the city of San Francisco, California.
About the incident, which occurred Wednesday, June 14, at the building of the American company United Parcel Service (UPS), the website of TV station KTVU.
Suffered, which according to various estimates, there are three to four people were taken to the Central hospital Zuckerberg San Francisco General Hospital.
UPS employee alleges in an interview with KTVU that shot her colleague and other witnesses of the accident said in an interview with ABC7 that a malicious driver, quarreled with co-workers.
Information is specified.