Liberal Democrat leader Nick Clegg paid tribute to Thatcher's resoluteness, saying she was a remarkable politician.
"Her memory will no doubt continue to divide opinion and stir deep emotion, but as we as a nation say farewell to a figure who loomed so large, one thing is for sure. The memory of her will continue undimmed, strong and clear for years to come."
More top news
Prime Minister Theresa May signs the historic Article 50 document that will begin Britain's divorce from the EU.
The supermarket has apologised over claims the livestock were up to six months old despite rules banning such housing beyond eight weeks.
The City of London is braced for the impact of Brexit - and Luxembourg is just one place hoping to capitalise on any jobs exodus.