Rights groups have slammed United States Secretary of Defense Pete Hegseth for saying that “no quarter” will be shown to Iran, as the US and Israel continue their military campaign against the country.“We will keep pressing. We will keep pushing, keep advancing. No quarter, no mercy for our enemies,” Hegseth told reporters on Friday.Recommended Stories list of 3 itemsend of listUnder the Hague Convention and other international treaties, it is illegal to threaten that no quarter will be given.Domestic laws, such as the 1996 War Crimes Act, also prohibit such policies. US military manuals likewise warn that threats of “no quarter” are illegal.Brian Finucane, a senior adviser at the International Crisis Group, a think tank, said Hegseth’s comments appear to run afoul of those standards.“These comments are very striking,” Finucane told Al Jazeera over a phone call. “It raises questions about whether this belligerent, lawless rhetoric is being translated into how the war is being conducted on the battlefield.”But Hegseth has publicly dismissed concerns about international law, claiming he would abide no “stupid rules of engagement” and no “politically correct wars”.His rhetoric has provoked concern among some experts that measures designed to prevent civilian harm are being ignored in favour of a campaign of “maximum lethality”.Hegseth’s remarks also come after a US strike on a girls’ school in southern Iran that killed more than 170 people, most of them children. The war has left at least 1,444 Iranians dead and millions more displaced. Advertisement ‘Inhumane and c …