Trump targets Iranian oil with sanctions, increasing pressure on Islamic Republic to make deal on nukes / Trump threatens sanctions on anyone who buys Iran oil as nuclear talks stall / Trump threatens sanctions on countries that buy oil from Iran / Trump threatens to impose sanctions against nations buying oil from Iran / Trump threatens 'secondary sanctions' on importers of Iranian oil / US sanctions four Indian firms over links to Iran oil trade / US Broadens Sanctions on Tankers to Squeeze Flows of Iranian Oil / Israel did not target Iran's oil facilities, Tehran airports -- TV / Biden discourages Israel from striking Iran's oil industry, crude posts best week in more than year / Biden says US discussing possible Israeli strikes on Iran oil facilities