Israel's Shin Bet security service and Northern District police arrested a resident of northern Israel who swore allegiance to ISIS and planned to travel abroad for training purposes, according to a Telegram report by journalist Nitzan Shapira between 5:46 AM and 7:46 AM UTC on December 17, 2025. The arrest occurred during the two-hour reporting window, as detailed in Shapira's post. The suspect, identified as a local from the north, intended to undergo ISIS training overseas, the report stated. No further details on the suspect's identity, exact location of the arrest, or additional charges were provided in the initial Telegram update from Nitzan Shapira.