President Obama and his family toured Robben Island today where the anti-apartheid leader Nelson Mandela was imprisoned for 18 years. He said they were "deeply humbled" by the visit.
From Cape Town our International Editor Bill Neely sent this report:
More top news
The storms that struck Texas and Oklahoma late on Tuesday brought tornadoes, tennis ball-sized hail and powerful winds.
Samantha Baldwin, 42, and her sons Louis Madge, nine, and Dylan Madge, six, haven't been seen for two days.
A spokesman for the UK Coastguard said it was coordinating a search operation in the Caernarfon Bay area of North Wales.