Such a deployment would be in addition to the 4,500 U.S. troops already committed to training and advising roles in Iraq.

Padrino Lopez said the aim was to establish a protocol to help train and improve troops' responses to public protests.

“I look forward to working with him to achieve our goals and observe one hundred years since the Armenian Genocide,” said Pallone.

The violence has raised tensions between Israel and Hezbollah to their highest point since they fought a 34-day war in 2006.

Last year, Iraqi police officers suffered from dizziness and vomiting after clashing with jihadist fighters north of Baghdad.