The White House has said that the US is "fully capable" of defending itself against a North Korean ballistic missile attack.
Asked whether North Korea's threat was being taken seriously, a White House spokeswoman said that foreign government's must be "taken at their word".
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An Atlantic frontal system brings rain across northwest Scotland and Northern Ireland overnight.
A memorial to honour the service of millions of men and women from Africa and the Caribbean during the two world wars has been unveiled.
South Africa's president often seems able to survive anything, writes John Ray - but a vote of no confidence held in secret may change that.