David Cameron and Nick Clegg have met with families after pledging up to £1,200 a year in government support for children.
The Prime Minister described the funding as effectively "some tax relief on childcare".
"For many families the cost of childcare is not one issue among many, it is the issue - it really matters," Mr Cameron said.
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The slump will spark scrutiny, especially as statistics show a rise in racially or religiously motivated offences following the EU vote.
The 53-year-old was killed shortly after leaving her home in Mosta, Prime Minister Joseph Muscat said.
Jordi Sanchez of the Catalan National Assembly and Jordi Cuixart of the Omnium Cultural group were jailed on Monday.