Several injured by a shooter at strip mall in Houston

The scene of a shooting in a strip mall parking lot in Houston Texas on Sept. 26 2016

An active shooter in Houston wounded nine people Monday morning before being shot and killed by police, authorities said.

The suspect was shot dead by police, who say they believe he may have been a lawyer. One person is in critical condition and one person is in serious condition, CNN reported.

The gunman was shot dead near his parked vehicle, which contained additional weapons, on a residential street near the shopping centre as heavily-armed police officers descended on the area.

The FBI said later Monday morning that it had offered the Houston police its help with the investigation.

"We are bringing in the bomb squad to secure it safe", Acting Police Chief Martha Montalvo told reporters.

Police were planning to search his house.

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The suspect was shot and killed by police and has not been identified by authorities.

Montalvo later said it's possible the shooting had occurred on a nearby street.

Several ambulances and other emergency vehicles responded to the Randalls grocery store shopping center shortly at about 6:30 a.m. local time. SKYEYE VIDEO: Don Armstrong reports from above the scene of the active shooter situationOne source told KTRK that the vehicle was found filled with weapons. "It's very, very early", Turner said, per the television station and The Associated Press.

Montalvo says nine people were wounded, three were treated and released from a hospital. That victim is now listed in stable condition. He also confirmed that his son drove a black Porsche, which is believed to be the same type of vehicle police were examining at the shopping centre parking lot after the shooting.

Assistant Houston Fire Department Chief Richard Mann said gunfire continued for about 20 minutes.

Todays shooting came days after a shooting at a Washington state mall left five people dead. "We do not know, we do not have a count at this time as to how many people have been shot, but all of the people will be directed to local hospitals in the area that are going to be victims".