Former US President George Bush paid tribute to former Prime Minister Margaret Thatcher, saying she was an "inspirational leader" and a "great example of strength and character."
First Minister Alex Salmon has paid tribute to Baroness Thatcher.
Labour will suspend campaigning in the local elections until further notice following the death of Baroness Thatcher, senior party sources have told the Press Association.
Former PM Tony Blair has paid tribute to Lady Thatcher:
In 1982 Argentina invaded the Falklands. Following reports British troops had recaptured the island of South Georgia from Argentina, she told reporters asking questions of her: "Just rejoice at that news."
Anne Widdecombe, former Conservative minister, told ITV News: "She was a very, very determined lady and a great legacy for women because there is an entire generation that, from the time they were five-years-old until the time that they had their first vote, knew nothing except a woman in charge."
Flowers have been left outside Margaret Thatcher's Belgravia home. The card reads:
"RIP Maggie Thatcher.
"The greatest British leader and a true lady.
"You make Britain what it is. Rest in peace."