SAN FRANCISCO (CBS SF) — Police were looking for a transgender woman who allegedly threatened a security guard with a hatchet after stealing a handbag from a San Francisco department store.

The robbery happened around 1 p.m. on Monday at Bloomingdales located in the 800 block of Market Street.

READ MORE: UPDATE: Atmospheric River Crashes Onshore; Flood Warning Issued For Napa, Sonoma Counties

Police said the woman entered the store and took the handbag, and when a security guard approached, she took out a hatchet from a bag and threatened the guard.

READ MORE: UPDATE: Streets Flood in San Rafael, Mill Valley as Wild Storm Lashes Bay Area

The security guard backed down and the woman left the store, fleeing on a bicycle onto Mission Street.

MORE NEWS: Stephen Curry Reaches 5,000 Assists, Warriors Beat Kings 119-107

The police report described her as a “BM (black male) – Transgender,” in her 40s, about six-feet tall, weighing less than 200 pounds.