India declares onset as up to 280mm of rain falls in 72 hours in Kerala, while downpours hit south-west Thailand

The monsoon season has officially begun in parts of Asia, marking the start of a period of enhanced rainfall vital to the region’s economy.

The south-west monsoon begins each year as a consequence of a growing temperature difference between the Asian land mass and the Indian Ocean. Through spring, the land heats up more rapidly than the surrounding sea, creating a pressure difference that draws moisture-laden ocean air inland. Once this contrast reaches a critical point, the humid air pushed over the continent rises, condenses into cloud and unleashes intense rainfall across the region.

Cockroach Janta party began as online joke but is growing into one of the most unexpected challenges to country’s rightwing government

The call out to the youth of India was simple: “Get ready to swarm the streets of Delhi with peaceful and loving dissent.” They came in their thousands.

The weekend marked the first public protest of the Cockroach Janta party (CJP), a movement that began as an online joke, but which has swiftly grown into one of the most unexpected challenges to the indomitable power of the country’s rightwing Narendra Modi government – driven by millions of discontented and disillusioned young people.