Russian Foreign Minister Sergei Lavrov is scheduled to arrive here in Tehran Tuesday night.

Iranian Foreign Ministry summoned Portugal’s ambassador to Tehran to voiced Iran’s strong protest at a recent statement issued by his country as the current EU presidency in support of anti-Iran terrorists.

The visit to Tehran by Russian President Vladimir Putin and his private meetings with Iranian President Mahmoud Ahmadinejad and Supreme Leader Ayatollah Seyed Ali Khamenei brought further development to Tehran-Moscow relations, Russian envoy to Tehran said.