Heiko Maas says Berlin talking to all sides in bid to calm tensions between US and Iran after tanker attacks, troop buildup

Officer says parts from unexploded mine used to attack ships last week similar to bomb made by firm linked to Revolutionary Guards

Tehran dismisses 'unsubstantiated' video evidence provided by Washington that allegedly shows Iranians removing unexploded mine

Israeli, Western intelligence officials said to warn that Tehran is frustrated at failure to force Washington to negotiation table

Secretary of state says Trump isn't looking for war with Iran, but American military ready to respond to any attack on US interests

In any clash between navies, Iran is likely to avoid full-scale battles and choose clandestine, indirect operations, experts say

Deputy foreign minister says development 'cannot be seen otherwise;' Kremlin urges against any further steps that could add to tension in the region

US president tells Time magazine he would not take military action to protect oil supplies

Release of photos came as US works to convince members of Congress and allies that the accusations against Tehran are true

General says 'videos and confessions' will be published at a later date, boasts Tehran and its allies have formed an 'international anti-spying network' against US