Officers from the Israel Police undercover unit found weapons and ammunition that were hidden in a home in the Jerusalem neighborhood of a-Tur on Sunday morning, according to an Israel Police spokesperson report.
A man in his 20s was arrested, and the weapons were confiscated.
In the West Bank town of Beit Fajar, police arrested four suspects after a weapon and ammunition were found in their home.
As well as being in possession of the weapon, the suspects were suspected of throwing a Molotov cocktail and shooting at security forces.