 Since Friday, police have cordoned off the dump site. Kenya's police watchdog said it was investigating whether there was any possible police involvement in the crimes, noting that the dump site was just 100 metres from a police station. And seven students in Mexico have drowned as they tried to tow a boat out of a river swollen by torrential rains. Their pickup truck was dragged into the fast-flowing waters in the eastern state of Veracruz. The students were all in their early 20s. I'm Rich Preston at the BBC in London.