"I spoke with Israeli President Herzog today and condemned the horrific attacks in Jerusalem," she tweeted.
Harris added that the US remains "unwaveringly committed" to Israel's security.
On the evening of January 27, a man opened fire on people in a synagogue in the Neve Yaakov area.
Arriving at the scene, the police entered into a shootout with the attacker, as a result of which he was neutralized.
Police confirmed the death of seven people as a result of the shooting.
According to The Times of Israel, police detained 42 people in connection with the attack.
Later it became known that one of the dead as a result of the shooting was a citizen of Ukraine.
Data on the Russians who suffered as a result of the terrorist attack near the synagogue in East Jerusalem was not received by the Russian embassy.