SEATTLE -- A hospital spokeswoman says the condition of three women shot in the abdomen at the Jewish Federation on Friday has been upgraded from critical to serious.

Susan Gregg-Hanson said two other victims remain in satisfactory condition.

A 30-year-old Pasco man is in the King County Jail for investigation of homicide and attempted homicide.

He was booked by Seattle police Friday night, 6 1/2 hours after a gunman who said he was a Muslim angry at Israel killed one woman and wounded five other women at the offices of the Jewish charity in downtown Seattle.

The gunman forced his way through the security door at the Jewish Federation of Greater Seattle at 4 p.m. after an employee had punched in her security code, Marla Meislin-Dietrich, a database coordinator for the center, told The Associated Press.

"He said 'I am a Muslim American, angry at Israel,' before opening fire on everyone," Meislin-Dietrich said. "He was randomly shooting at everyone."

One staff member who was shot twice escaped through the back door, said Meislin-Dietrich, who was working away from the office and relaying information provided by coworkers who were at the building.

Seattle Mayor Greg Nickels called the attack "purposeful, hateful act."

David Gomez, an FBI assistant special agent in charge of counterterrorism, said investigators believe the gunman targeted the federation.

"We believe at this point it's a lone individual acting out antagonism toward this particular organization," Gomez said.

Police Chief Gil Kerlikowske said the case is being investigated as a hate crime.

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The shooting happened at 4 p.m. at the federation’s offices on Third Avenue near Virginia Street.

Callers reported the shooting at 4:03 p.m., a police official told reporters. Minutes later, a 911 call came from the suspect, who claimed he had hostages. A police sergeant got on the phone with the man and persuaded him to go outside and give himself up.

Officers searched buildings in the area of the shooting to make sure there was no other gunman, but by 5:45 p.m. a spokesman said officers were confident that only one man was involved in the shooting spree.

A vehicle police believe belongs to the gunman -- a white Mazda pickup with Washington license plates -- was checked for explosives and towed away.

Authorities have been advising synagogues and Jewish groups to be watchful in the weeks since hostilities erupted between Israel and Lebanon.

The Police Department will investigate along with the FBI Joint Terrorism Task Force.

A bulletin went out to local police, notifying officers of addresses of Jewish centers in the area, KIRO 7 Eyewitness News reported.

In Tacoma, police stood outside a synagogue as Friday night services got under way.

The federation's Web site describes its mission as "to ensure Jewish survival and enhance the quality of Jewish life by meeting needs locally, in Israel and worldwide."

The Jewish Federation of Greater Seattle was a sponsor of an Israel solidarity rally on Mercer Island last Saturday, KIRO 7 Eyewitness News reported.