Boeing strike emotions flare as security guard flashes gun in picket line altercation

An ongoing strike by 33,000 Boeing machinists took a potentially dangerous turn as a security guard displayed a gun following an altercation with workers walking a picket line on Monday outside the airplane manufacturer's main hub in Seattle.

Sheriff's deputies responded to "reports of a disturbance" at a Boeing parts distribution center at Seattle-Tacoma International Airport early Monday morning, a spokesperson for the King County Sheriff's Office told CBS MoneyWatch, noting reports of protestors blocking access to the property.

A security guard flashed a gun as he was leaving the premises, although there was no indication he pointed it at anyone and he left without further incident, according to the sheriff's department.