Canada has led more than 40 countries in expressing serious concerns over Beijing’s repressive actions in Xinjiang, Hong Kong and Tibet, prompting a furious response from Beijing over Canada’s colonial history.

The exchange at the UN human rights council on Tuesday marks the latest downturn in relations between Canada and China, which have deteriorated steadily as the two countries clash over human rights, trade and allegations of “hostage diplomacy”.

Canada urged China to allow “immediate, meaningful and unfettered access” so independent observers can visit its western Xinjiang region, where UN experts say nearly a million Uyghurs and other Turkic Muslims have been detained in camps.
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At a US border detention centre in the Texan desert, migrant children have been living in alarming conditions - where disease is rampant, food can be dangerous and there are reports of sexual abuse, an investigation by the BBC has found through interviews with staff and children.

• anxiety
  
• irritability
  
• fatigue
  
• poor short-term memory
  
• little or no dream recall
  
• mood swings
  
• increased sensitivity to lights, sounds, odors
  
• frequent infections
  
• allergies
  
• joint pain
  
• hypoglycemia
  
• poor appetite, especially in the morning
  
• nausea, motion sickness
  
• poor tolerance of dietary protein
  
• sweet or fruity smelling breath or sweat
  
• pale complexion
  
• white spots on fingernails
  
• premature graying
  
• delayed sexual development
  
• alcoholism