- Dating back to 1911, national insurance was first implemented so working class people had some insurances against illness and unemployment.
- This was expanded after WW2 to help fund the NHS and other social security schemes.
- The Government has set national insurance at 12p for every pound earned.
- It has grown up in parallel with income tax, which traces its roots to the 18th century and is administered separately.
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PM spokesman's comments come following reports that the EU is secretly drawing up plans for greater military cooperation across the EU.
The Labour politicians put their alleged differences aside to jointly highlight how remaining in the EU could help fight climate change.
Late sunshine here and there this evening - but more cloud for southern Scotland, northern England and Northern Ireland again.