Man admits murdering mother of seven who disappeared 28 years ago　◆　Half a million Russians killed in Ukraine war, British intelligence says　◆　Arsonist who went on day-long rampage jailed　◆　El Nino raises risk of wetter autumn and flooding across UK　◆　Mystery over woman found dead in bin bag as police rule out more than 70 names　◆　MI5 chief makes rare public intervention on 9/11 anniversary　◆　Thailand investigates after British influencer dies following penis enlargement operation