Iranian President Masoud Pezeshkian congratulated the Saudi king and crown prince on Saudi National Day.
On Monday, the Iranian president sent separate messages to Saudi King Salman bin Abdulaziz Al Saud and Crown Prince Mohammed bin Salman, who also serves as the prime minister.
In his messages, Pezeshkian stressed the importance of improving mutual relations in all fields.
Iranian Foreign Minister Abbas Araghchi also congratulated his Saudi counterpart Prince Faisal bin Farhan on the occasion.
The top Iranian and Saudi diplomats also met on Sunday on the sidelines of the 79th session of the United Nations General Assembly in New York.
In March last year, Iran and Saudi Arabia agreed under a Chinese-brokered deal to restore diplomatic relations severed in 2016.
As part of a joint statement issued by the two sides, Iran and Saudi Arabia agreed to implement a security cooperation agreement signed in April 2001 and another accord reached in May 1998 to boost ties in various secto
