Tuesday briefing: Will a shift in Biden’s missile policy change the war in Ukraine?

In today's newsletter: Ukraine can now fire US-made long-range missiles into Russian territory - but it may be too little, too late for Volodymyr Zelenskyy

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The US president, Joe Biden, has lifted the longstanding ban on Ukraine using American-made long-range missiles to fire into Russian territory. The Biden administration secretly first sent the army tactical missile systems, or Atacms, to Ukraine earlier this year under the stipulation that Ukraine would not use it inside Russia. That has now changed, and the US has given Kyiv the green light after reports emerged that 10,000 North Korean troops were in Ukraine.

Hong Kong | 47 of Hong Kong's most prominent pro-democracy figures have been jailed - one for 10 years - in the territory's largest national security trial, following a prosecution that has been widely criticised as politically motivated and controlled by China's Communist party government.

Poverty | More than one in three children and a quarter of adults are living in poverty in the UK as deprivation levels rise to the highest in the 21st century, according to a landmark report.

Cop29 | Raising money needed to tackle the climate crisis need not be a burden on overstretched government budgets, leading economists have said. The sums needed - approximately $1tn a year by 2030 - are achievable without disruption to the global economy, and would help to generate greener economic growth for the future.

Labour | A government policy to create 100,000 new nursery places using spare capacity in English primary schools is unlikely to work" because of a geographical mismatch between capacity and demand, according to research by Frontier Economics, one of the largest economic consultancies in Europe.

Environment | More than 51 million chickens are being industrially farmed in the river valleys of the Severn and Wye - the equivalent of 79 chickens for every person in the region, according to new figures. The exponential rise in large intensive poultry units (IPUs) in the valleys is a key driver of river pollution. Chicken dropping contains more phosphates - which starve fish and river plants of oxygen - than any other animal manure.