A Texas prosecutor and his wife who were shot dead over the weekend may have been the targets of a white supremacist group, says a US congressman.
United States President Barack Obama has mounted the biggest challenge in two decades to the US's deeply ingrained gun culture.
What began as a low-key protest over a tuition fee hike has spiralled into a noisy national movement.
In a bold step the American president has openly stated his full support for same-sex unions.
The world's first underground park moved a step closer to reality last weekend.