The initial report today was a barrel bomb exploded at San Francisco General Hospital.
Later reports are suggesting it was a shooting.
Police have blocked off the area and are investigating.
BREAKING NEWS: San Francisco PD investigating whether someone set off a barrel bomb at San Francisco General Hospital.
— Breaking News Feed (@pzf) July 7, 2016
Reports that scanner audio from San Francisco Police Department states 'remnants of barrel bomb' found on 5th floor of San Fran Hospital
— BREAKING.UK (@BreakingDotUK) July 7, 2016
#BREAKING @sfpd investigating whether someone set off a barrel bomb at #SFGH, floors being cleared #KTVU pic.twitter.com/XQAHqL1NDm
— taramoriarty (@taramoriarty1) July 7, 2016
Possible shooting.
SFGate reported:
Reports of shots fired at San Francisco General Hospital prompted a heavy police response from scores of officers from multiple agencies Thursday afternoon, police said.
Just before 2 p.m., someone called police, reporting hearing something sounding like gunfire at a building at 900 Potrero Avenue, said Officer Giselle Talkoff, a San Francisco police spokeswoman.
Officers and sheriff’s deputies were searching the building. Around the same time the shots were reported, someone reported a loud noise coming from a generator at the building, Talkoff said.
More… Building 80 of San Francisco Hospital…
#UPDATE: Shots were heard in Building 80 at San Francisco General Hospital, @KRON4MKelly reports. https://t.co/tDe51NQATl
— KRON 4 News (@kron4news) July 7, 2016
UPDATE—-
It was an M80 explosive…
Patch.com reported:
Initial reports from the hospital were that a large boom was heard and possible shots fired. Some people evacuated, while most workers and patients sheltered in place.
Police and sheriff’s deputies performed a methodical search of the hospital, where they found remnants an M80 type explosive.