IF PEOPLE do not use parks and outdoor spaces responsibly, there will be tighter restrictions, the Prime Minister has said.

Speaking at the government's daily press briefing, Boris Johnson said that restrictions on movement, like that seen in Italy and other places in Europe, could be introduced in the UK if people don't abide by social distancing advice.

He said: "I don't think you need to use your imagination very much to see where we might go.

"Other countries have been forced to bring in restrictions on people's movement altogether.

"I don't want to do that because I have tried to explain the public health benefits to people's mental and physical wellbeing, and it is so important that that pleasure and ability is preserved.

"It can only really be preserved if everybody takes responsibility and conforms with those principles of staying apart from one another and social distancing.

"If you can't do that then yes we are going to have to bring forward tougher measures."

He also appealed to parents to realise that unless they are a key worker, schools will be closed to their children tomorrow.

His words came after a number of incidents in recent days where certain people were seen to not be abiding by advice given by the government.

The National Trust announced last night that all of its gardens were going to close from today after people congregated at their sites.

Earlier, Scottish First Minister Nicola Sturgeon appealed to a number of pubs to close after they remained open, adding that when she has the legal power, she will instruct them to do so if they don't willingly.

At Sunday evening's briefing, the Prime Minister, as well as Housing and Communities Secretary Robert Jenrick, set out new plans that wil be in place to support the most vulnerable, who are now being asked to not leave their house for 12 weeks.

"This shielding will do more than any other measure to save life," Mr Johnson said.

"It will also reduce infection and slow the spread of the disease."

"As a nation we're confronted with the need to make big changes and enormous sacrifices to our daily lives," added Mr Jenrick.

"I think we owe it to them and the most vulnerable in society to stay at home, protect the NHS, and in doing this, save lives."

He was setting out plans for a support system for those people who are self-isolating for the next three months.

Those who have a range of underlying medical conditions, that mean that they are at the highest risk of contracting a serious illness should they catch coronavirus, should stay at home and not go out, even to shop for groceries or go for walks away from other people.

To see the full list of those affected, click here.

The NHS will be sending letters to those included in the group, with the first arriving on Tuesday.

It will include a link to a website where people can register their details.

If these people don't have support networks that can provide them with food and other supplies, the government, in partnership with local councils and the armed forces, will offer them free food boxes.

"Nobody has tried to do this before, so it will take time," Mr Jenrick continued.

He added that the parcels will first be free, but eventually, depending on the direction the service goes, that could be reviewed.