(CNN) Iran's Supreme Leader is standing firm against reimposed US sanctions, saying Monday there would be "no war, nor will we negotiate with the United States."

"Beside sanctions, they [the US] talk about war and negotiations," Ayatollah Seyyed Ali Khamenei said in a speech published on his official website.

"They talk about a spirit of war to frighten the cowards," said Khamenei, adding that they US played a "poor game" when it came to negotiations.

His comments come after the Trump administration's first wave of reimposed sanctions kicked in Tuesday, following the withdrawal of the US from the Iran nuclear deal earlier this year.

The 2015 Obama-era deal, agreed by the US, Iran, Britain, France, Germany, China and Russi, restricted Iran's nuclear program in return for the lifting of international sanctions.

Read More