Pastor again refuses to recant as pressure builds on Iran to halt execution

Iran is under increasing pressure from leaders around the world to halt the execution of Iranian pastor Yousef Nadarkhani, who on Wednesday refused for the fourth and final time to recant his faith and could be executed at any time.

In the U.S., Speaker of the House John Boehner released a statement urging Iran to spare the pastor's life and release him. Overseas, British Foreign Secretary William Hague also called on Iran to overturn the sentence.

Observers say external pressure could be critical in preventing the Iranian government from performing its first apostasy execution since 1990. To read more, click here.

Related article: Pastor Yousef Nadarkhani to be hanged in Iran - for converting to Christianity