An Iraqi army helicopter crashed during a combat operation in northern Iraq on Thursday, killing all five crew members, the Iraqi military said in a statement.
The helicopter went down near the northern town of Amerli, 170 km north of Baghdad.
It wasn't clear if the helicopter crashed due to hostile fire or a technical malfunction.
Despite the defeat of the IS militant group in 2017, remnants of the group switched to hit-and-run attacks against government forces in different parts of Iraq.
Iraqi security forces have over the past months launched many operations in the area where the helicopter crashed to chase militants, military officials said.

Russian ballistic missiles kill 12 in Ukraine's Kyiv
Prince Harry and Meghan to move back to Britain
North Korea launches 10 ballistic missiles as US-South Korea drills near end
Kenya tourist helicopter crash kills seven
US, South Korea to cut length, scope of military drills after Trump order
