Experts say US backing armed groups could ‘open up a hornet’s nest’; son of Ayatollah Khamenei tipped to succeed his father as leader. What we know on day six

Opposition groups neither confirm nor deny possible advance as Washington remains undecided

Experts say backing Iran’s ethnic communities could ‘open up a hornet’s nest’ and increase risk of chaotic civil war

Experts say US backing armed groups could ‘open up a hornet’s nest’; son of Ayatollah Khamenei tipped to succeed his father as leader. What we know on day six

After six days of US-Israeli attacks on Iran, the conflict is escalating as regional tensions rise.