Thomas Harding

If the US joins Israel's conflict with Tehran it will bring the world's most powerful air force, advanced weapons and surveillance capability

Interceptors failing to stop Fatah-1 hypersonic missile as war descends into numbers game

Air campaign expected by experts to last up to two weeks

Penetrating Iran's nuclear sites in mountains eludes Israel as it opts to kill top scientists and military commanders

Tehran says it will open a new enrichment site

Drive for £78 million savings a year puts 'soft power' through diplomats and BBC World Service in jeopardy

Pressure to hit the hard-right in Israel's government has finally told

Palestinian ambassador says move is step in right direction but no substitute for arms embargo

Talks come after 'positive' phone call between Donald Trump and Xi Jinping

Tighter budgets are one factor in the next stage of modern warfare

Autonomous submarines, uncrewed fighters and hand-held lasers receive £5 billion development package in defence review

Warships, missiles and defence factories needed to counter growing threats

Defence companies urgently study shooting down of French-made fighters by Pakistan

Compassion, care and solidarity evident on Monday night as people rallied to help after driver ploughs into crowd

UK prisons to allow earlier releases of some offenders as government warns jails threatened by overcrowding