measures

In response, Harvard has sued the federal government to block the measures, including the freezing of more than $2bn in academic grants.

Indigenous Australians, who represent about 3.8% of the nation's 26 million population, are by most socio-economic measures the most disadvantaged people in the country - something successive leaders have for years called a "national shame".

It also argues for a greater focus on climate change mitigation measures such as flood defences and a new international push to persuade China and India to cut emissions.

Trump has ramped up tariffs since re-entering office in January, measures he argues will boost manufacturing and raise tax revenue for the US.

Spain's Prime Minister Pedro Sánchez said investigators were trying to pinpoint the cause, and then would take all necessary measures "to ensure that this does not happen again."