Israel was engulfed by a wave of terror attacks on Tuesday, with at least one person killed and 13 wounded in attacks that ranged from Jerusalem to Jaffa and Petah Tikva. Four of the attackers were killed.

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A tourist from the U.S. was killed and 11 people wounded, four of them seriously, in two stabbing attacks in Jaffa Port and the area of Tel Aviv bordering on Jaffa on Tuesday evening. The attacks were carried out by a single assailant.

While the Jaffa attack was unfolding, U.S. Vice President Joe Biden, in Israel for a two-day visit, was less than a kilometer away sitting with former President Shimon Peres in the Peres Peace Center in Jaffa. The VP issued a strong condemnation of the attacks, offered his condolences to the family of the American citizen murdered in the attack, as well as his wishes for a full and quick recovery for the wounded.

Israel Police say in a statement that it is not ruling out the possibility that Biden's visit was a trigger for the attacks.

The Israel Defence Forces announced on Tuesday night that it was imposing closures on the West Bank villages of Zawia and Auja, the hometown's of two of the attackers.

See minute-to-minute updates below.