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Something seems... underhand! Boris Johnson's 'Stay safe. lodge in home' tweet raises eyebrows as social media users spot glaring Photoshop FAIL

An arm wearing a black sleeve was spotted within the government's 'Stay Safe' Tweet

The post urging people to remain indoors garnered the incorrect quite attention

People have joked the image resembles scenes from Alien or the Addams Family

Prime Minister Boris Johnson's official office Twitter page released a post on Friday urging Britons to remain safe indoors over the weekend.

The @10DowningStreet Twitter account posted this image on Friday urging people to stay indoors. People on social media have reacted in confusion due to a mysterious third person's arm seeming to come from under the dogs mouth

But the Tweet has gained more traction online for its strange image, which shows two woman sharing a bowl of popcorn on the sofa with their dog - and a mystery third person's hand.

People on social media are quick to means the weirdly-position arm and a few have tried to form sense of it.

The Tweet reads: 'For staying safe, there is no place like home. Stay Home. Protect the NHS. Save Lives.'

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It shows the 2 women, one wearing a cream jumper and therefore the other a yellow one, eating out of an orange bowl, while the mystery hand seems to possess a black sleeve.

On closer inspection, the black sleeve appears to be an illusion created by a shadow cast by the couple's dog.

But that hasn't stopped people on social media debating the image and sharing jokes about what should are a very important message from the govt..

Some compared the image to the Alien and Addams Family films while others joke the dog must have eaten the neighbour.

One quipped that the couple could also be flouting social distancing rules by allowing someone from outside the household in to their home.

For a variety of the most effective reactions read on below.