Police confirmed there has been one arrest following the shooting. A crime scene was in place on Humboldt Strasse, near the Jewish cemetery and the area has been cordoned off by police. Emergency services remain in place and a helicopter is circling over the city.
More to follow.
Police said on Twitter earlier they were looking for at least one suspect.
They tweeted: “We have a deployment in Halle. According to preliminary findings, people killed.
“We are conducting urgent searches. Perpetrator on the run. Please stay at home or look for another secure place.”
Police added several shots were fired and the alleged shooter fled in a vehicle.
Newspaper Bild said on its website the shooting took place in front of a synagogue.
Today is Yom Kippur, the holiest day of the year in Judaism.
There was allegedly a second shooting in Wiedersdorf, near Queis in the district Landsberg.
But this has now stopped, according to Bild.
Halle police wrote in a tweet:“Our forces have detained one person.
“We remain alert, however.
“We have deployed forces in and around Halle and are trying to stabilise the situation until we have all the relevant information.”