Foster City condo blaze triggers 6-alarm response, firefighters injured

San Mateo County crews battled a large condo fire in Foster City on Sea Spray Lane that quickly escalated to a 6-alarm response. All residents and pets were evacuated, with some rescued from third-floor windows. Four firefighters sustained minor injuries (burns and smoke inhalation), two of whom were hospitalized. A mayday was sounded during operations. The fire began on the first floor and spread upward; investigators are probing its cause as heavy smoke closes area and operations continue for hours.