Washington, Feb 23 (IANS): A 40-year-old woman manager at a Wal-Mart distribution centre in the US state of Virginia was shot at by an employee who later killed himself when confronted by police Wednesday, officials said.The shooting took place at a facility in Dinwiddie county, around 50 km south of state capital Richmond, Xinhua reported citing the ocal WRIC TV, which serves the Richmond-Petersburg area.

Officials said a woman suffered injuries described as "not life-threatening" while the suspected male shooter killed himself.

A report said the woman was the manager of the centre and the 32-year-old man shot her in the leg.

When law-enforcement officers responded to an emergency call, they saw the man outside the facility, and were shot at by him with a handgun.

The man then fatally shot himself in the chest. Neither his nor the woman's names were released. The woman victim was air-lifted to a nearby hospital.

The motive behind the shooting remained unclear.

After the shooting, police locked down the facility and a nearby school as a precautionary measure.

The distribution centre employs about 600 people, serving 72 stores and has been in the county for 20 years.