World News from the BBC
Millions of people in Egypt have taken part in a referendum on constitutional reforms a month after a popular uprising swept President Mubarak from power. In the capital Cairo, an angry crowd prevented the opposition figure Mohamed ElBaradei from casting his vote.
If passed, the vote would allow Egypt to hold fresh elections within six months. Initial results are expected on Sunday.
From Cairo, here's Jonathan Head.
It was something most of the voters said they'd never seen before, people queuing in lines that ran around the block to cast their ballots. Under former President Mubarak, elections were stage-managed affairs with
predetermine
d results, and turnout was very low. Today, though, people waited patiently for hours. For many of them, it was the first time they'd ever voted.
The Brazilian President Dilma Rousseff has told President Obama that the United States will have many opportunities to help develop Brazil's newly found oil fields. She was speaking after talks with Mr Obama, who's visiting the country for the first time. For his part, President Obama said the US was
looking forward to
signing several trade and financial agreements with Brazil.
The Japanese authorities say they've
detect
ed radioactive contamination in food as they try to fix the wrecked nuclear power plant at Fukushima. Officials said they'd found radiation levels above safety limits in milk and vegetables originating from the Fukushima area. Traces of radioactive iodine were also reported in tap water near Tokyo. But the government said the levels present pose no risk to human health.