People protecting nature and land set up self-defence units amid threat of murder Indigenous peoples World news Peru Brazil Environment +7 more Wed, 16 Sep
UK mathematician debunks myth around Parthenon’s optical illusions Science Mathematics Greece Architecture Europe +1 more Wed, 16 Sep
The Palestinian school under siege – podcast West Bank Israel Middle East and north Africa World news Palestine Wed, 16 Sep
Human remains found in Arizona after deadly Grand Canyon flash floods Arizona US news World news Wed, 16 Sep
Russia plotting to kill Ukraine allies in US and Europe, FBI says US news FBI Russia Ukraine Europe +1 more Wed, 16 Sep
US set to deliver 2,000lb bombs to Israel as part of vast arms deal US foreign policy Trump administration Israel US news Gaza +3 more Wed, 16 Sep
US House votes for third time to end Iran war after $38bn cost is revealed US-Israel war on Iran US military Trump administration US defence spending World news +5 more Tue, 15 Sep
Ferocious fight among Brazil’s supreme court erupts on eve of presidential election Brazil Jair Bolsonaro Luiz Inácio Lula da Silva World news Americas Tue, 15 Sep
Carney says Canada will pursue ‘unique security and economic alliance’ with EU amid US trade spat Canada World news Mark Carney Economics Economic policy +6 more Tue, 15 Sep
Houthis threaten more Saudi strikes as UN warns of humanitarian crisis in Yemen Yemen Saudi Arabia Strait of Hormuz Qatar World news +8 more Tue, 15 Sep
