German Foreign Minister Heiko Maas to visit Tehran, followed by Japanese Prime Minister Shinzo Abe in attempt to dial down tension and salvage nuclear deal

PM pushes Japanese counterpart to work against Iranian aggression as he looks to mediate between Islamic Republic and Washington

US president forgoes custom of avoiding partisan attacks while abroad to call Democratic candidate Joe Biden a 'low IQ individual'

Addressing Persian Gulf tensions, US president tells Japanese PM: 'Nobody wants to see terrible things happen, especially me'