They warned us there will be strobe effects during the show.

ENGADGET: & Joystiq's live coverage of Nintendo's Revolution E3 event

Given this uncertainty, our customers have warned us, they could curtail our capital expansion plan.

FORBES: Trouble For Chip Equipment Stocks: Novellus Q3 View Whiffs

The US defence chief has warned Nato allies they will not be able to rely on the US to cover shortcomings in their defence provision in future.

BBC: US defence chief Leon Panetta warns Nato allies on cuts

Breastfed babies may need a top up of Vitamin D to ensure they do not develop rickets, US experts have warned.

BBC: Rickets warning over breastfeeding

Several IMF officials have pointed out in recent days that they had warned about the dangers of bad debt in the US mortgage market that last summer sparked the continuing global financial woes.

BBC: IMF admits late to act on crunch

Tehran welcomed an offer of bilateral negotiations from US Vice-President Joe Biden earlier this month but warned they had to be genuine and "fair".

BBC: Natanz uranium enrichment plant

But while scientists have warned us about chemicals such as chlorinated Tris since the 1970s, they continue to be used in products all around us, including furniture, cribs, mattresses and high-chair cushions.

CNN: Are toxic chemicals putting your family at risk?