Israel attacks presidential office in Tehran as reported death toll in Iran rises to 787
The number of people killed since US-Israeli attacks began has reached 787, the Red Crescent says.
The US embassy in Riyadh, Saudi Arabia, has been hit by two drones, seemingly from Iran.
The US and Israel struck Iran on Saturday, killing Supreme Leader Ayatollah Ali Khamenei.
Iran has retaliated with a wave of attacks across the region.
On Monday, the US told Americans across the Middle East to "depart now".
