Talks between Iran and the United States over Iran's nuclear programme are described as 'fruitful' by Iran's foreign minister, despite ongoing American military buildup in the Middle East. The United States president has expressed hope for a deal, noting that Iran is negotiating seriously, while Iran's Supreme Leader has warned of the risk of regional conflict if the United States takes military action. In other news, a major French technology company is set to sell its United States subsidiary that works with immigration authorities, and a new exhibition highlights the peaceful aspects of Samurai culture.