A gunman left eight Israelis injured in Jerusalem in a shooting near one of the country's holiest sites.
Two people, including a pregnant woman, are in a critical condition after the man -- believed to be Palestinian -- opened fire on a bus near the Western Wall.
The attack comes amid renewed violence between Israel and Palestinians living in Gaza and the West Bank, which killed scores of Palestinians.
American citizens were among the wounded, a US Embassy spokesperson said without providing more details.
Israeli police announced on Sunday morning that they had arrested a man after cordoning off the area and searching for the suspect, who fled the scene.
"The terrorist is in our hands," said police spokesman Eli Levy on public radio, without disclosing further information on his identity.
The shooting happened as a bus "full of passengers" waited in a parking lot near the Western Wall, the holiest site where Jews can pray.
Bus driver Daniel Kanivesky said: "The bus was full of passengers. I stopped at the [bus] station of the Tomb of David and at this moment the shooting started."
"I saw two people falling outside and two inside [the bus] bleeding."
Footage from the scene shows the bus peppered with bullet holes as police now set about investigating the incident.
Last weekend, Israel's military unleashed an offensive in the Gaza Strip targeting the militant group Islamic Jihad, setting off three days of fierce cross-border fighting.
Forty-nine Palestinians, including 17 children and 14 militants, were killed, and several hundred were injured in the fighting.
Islamic Jihad fired hundreds of rockets during the flare-up to avenge the airstrikes, which killed two of its commanders and other militants.
Israel said its offensive
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