Questions are raised about the effectiveness of Trident, the UK’s submarine-based nuclear deterrent, as it fails its second test in a row. A dummy missile intended to fly almost 4,000km instead fell into the sea near its launch site on the east coast of the United States. The UK Ministry of Defence has said it has absolute confidence in the effectiveness of their nuclear deterrent.

Also on the programme: the medical charity Médecins Sans Frontières says at least two people have been killed by a shell in the Al-Mawasi safe-zone in Gaza; and what does the Alabama Supreme Court ruling - that frozen embryos are "children" - mean for IVF treatment?

(Picture: Still image taken from an undated video of the missile firing from HMS Vigilant Credit:MoD/PA Photo)