Iran's anti-US and anti-Trump anger has exploded into open death threats, a bad sign for any hope of calming tensions between the two countries.

• Huge crowds at Khamenei's funeral chanted "death to America" and called Trump the "biggest bastard in the world."
• Banners read "Kill Trump" and showed Trump and Netanyahu in gun crosshairs.
• Other US figures like Senator Lindsey Graham were also targeted with threats.
• Mourners made personal vows to kill Trump in revenge for their killed leader.
• The rage is happening even as the two sides are supposedly still negotiating.

Outlook: With public fury this raw, any talks between the US and Iran look shaky and the risk of more conflict stays high.