This image was shared by actress Joanna Lumley on twitter and so far has received 4.8k likes and 3.4k shares. The Tweet reads: “Please share this far & wide. Feel so sad about the #Sarah Everard news and can’t even begin to imagine how her friends & family are feeling right now. If you press your lock button five times in a row, your iPhone emits a loud siren, counts down to 3, then calls emergency services AND sends a text to your emergency contacts alerting them of the situation and your location.
“Search ‘Emergency SOS’ in your phone to set it up.
“Please please share as I feel this is a little known fact that could make us ALL feel safer.”
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