Head of IRGC aerospace force says army deliberately avoided targeting jet that accompanied drone, claims 2 warnings were given before UAV was destroyed

The US president is said to have urged Tehran to come to the table, warning of impending US military action; Iranian officials say they conveyed the matter to Khamenei

US official says military was making preparations to strike radars, missile batteries in response to drone's destruction, when approval was abruptly withdrawn

No specific response to drone shootdown presented at briefing for lawmakers, but Democrats say they made it clear that the administration needs to avoid escalating tensions

Overtures for talks by Trump have little chance of yielding results, putting countries on potentially disastrous collision course, though some see peaceful ways out of standoff

Tehran claims it shot down surveillance aircraft over its territory and not international waters, as maintained by Pentagon; UN chief urges restraint

Officials concerned Iran may be emboldened after Trump appears to dismiss incident as a possible accident; White House invites House, Senate leaders for briefing

Turkish president says he has 'good' relations with US leader, is sure they can agree that sanctions over purchase of Russian air defense missiles is not 'suitable'

Rhetoric escalates as Revolutionary Guard chief threatens: 'Any enemy that violates the borders will be annihilated'

Former VP and presidential hopeful says it 'sadly ironic' that State Department 'now calling on Iran to abide by the very deal the administration abandoned'