Iran has vowed to respond to any future US strikes by attacking American military bases in the Middle East, according to Supreme Leader Ayatollah Ali Khamenei in an address on Thursday- his first televised remarks since a ceasefire was reached between Iran and Israel.

The 12-day war culminated in Iran’s attack on a US base in Qatar, which is the largest in the region, after the US joined Israeli strikes. US intelligence assessments indicate that America’s bunker-buster bomb and cruise missile strikes did not destroy the three Iranian nuclear sites on Sunday- despite Trump’s remarks that the attack “completely and fully obliterated” the Islamic Republic’s nuclear program.

Analysts have warned that although the ceasefire is still intact, it is extremely fragile, with hopes for longer-term peace resting on potential negotiations between the US and Iran next week.

“There may or may not be negotiations this week or talks this week between the United States and Iran, but nothing is going to get resolved and as a result you’ve got a very fragile ceasefire,” James M. Dorsey said in this week’s Middle East Report