UPDATE, 7:39 p.m.: The two Las Vegas police officers shot and killed while they ate lunch Sunday are Officers Alyn Beck and Igor Soldo, reported KLAS-TV, citing police.
The man and woman who shot the officers then went to a Wal-Mart across the street and shot and killed another person. One shopper said she saw at least one of the armed suspects, grabbed her father, and got out of the store.
"We saw when the man was walking, he was shouting, yelling bad words, and suddenly he had a gun," Pauline Pacheco told KLAS. "It was terrible, it was terrible. That man was crazy."
The Wal-Mart shooting victim has not been identified, KLAS reported.
UPDATE, 6:11 p.m.: According to police, a man and woman entered a CiCi's Pizza in Las Vegas at 11:22 a.m. Sunday and apparently targeted two city police officers eating there, according to KLAS-TV in Las Vegas.
One of the suspects reportedly shot one of the officers in the head while the other suspect reportedly shot the other officer, KLAS said, killing both of them. Police added that according to witnesses the two suspects took the officers' guns and ammunition and then said upon leaving, "Tell the police the revolution has begun," KLAS reported.
The two suspects then left the restaurant and went to a Wal-Mart across the street, shot and killed a third victim, then fatally shot each other, KLAS said.
UPDATE, 6 p.m.: According to KLAS-TV in Las Vegas, the attackers who killed the two officers and a third victim were a man and a woman.
Original story below
Two police officers and a third person were killed by gunmen in Las Vegas on Sunday, CNN reported, citing Las Vegas Metropolitan Police spokeswoman Laura Meltzer.
The gunmen began by opening fire and killing the officers as they were eating lunch about 11:30 a.m., Meltzer said.
Witnesses told police the gunmen said, "This is a revolution."
Then they crossed a street where they killed a third individual at a Walmart entrance, Meltzer said.
The gunmen then killed themselves, she said.
This is breaking news; updates will be added.