Research finds that Britain’s booming parakeet population has grown from numerous accidental and intentional pet releases.

The vibrantly-coloured bird, which is a small to medium-sized species of parrot, has been in Britain for decades, though it was unclear how they were first introduced.

To solve the mystery, scientists used geographic profiling used to track down criminals – and analysed patterns of parakeet sightings over the past 50 years.

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In December 2005, a dog walker discovered the body of a Swedish woman on Prestwick Beach in Ayrshire on Scotland’s west coast.

Annie Börjesson’s family were told the 30-year-old had died by suicide – but something felt wrong.

Keep following StoryCast to find out #WhatHappenedToAnnie.

Narrated by Rona Dougall.

Produced by Robert Mulhern.

Anyone feeling emotionally distressed or suicidal can call Samaritans for help on 116 123 or email jo@samaritans.org in the UK. In the US, call the Samaritans branch in your area or 1 (800) 273-TALK.

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Bing Crosby is the ultimate Christmas crooner and his defining hit ‘White Christmas’ is not only an anthem of the festive season, it’s also the world’s best-selling single.

Sky’s Kay Burley sat down with Bing’s daughter Mary who said it was his work with the troops, not the Christmas number ones, which made her dad most proud.

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Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog

Sky News speaks to teenagers who have both undergone gender reassignment surgery and those who have decided to de-transition.

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Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog

#ElectionSocial is a new type of election show.

We’ll have exclusive content from and be joined by Michael Spicer
on the night. Here’s a teaser 👇

Watch on Twitch, Facebook, YouTube and, of course, Twitter from 9.45pm – 6am on Thursday #GE2019

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Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog

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Night on the town or Nexflix and chill? John Bercow faces quick fire questions 🔥

#ElectionSocial will be live on Twitch, Facebook, YouTube and, of course, Twitter from 9.45pm – 6am tomorrow #GE2019

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With many voters frustrated that in the UK’s electoral system there are many constituencies where their vote may not make any difference, tactical voting has become a big factor in this election.

Opponents of the Conservatives have cited it as possibly the only way to defeat them.

One of the most high profile examples is the actor Steve Coogan – a long-time Labour supporter who has been campaigning for the liberal Democrats in his own constituency.

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Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog

Six people including a police officer are killed during a gun battle at a Jewish supermarket in New Jersey.

Among those killed was a police detective who was investigating a murder in Jersey City when he approached two suspects, one of whom opened fire and shot him in the head.

The local mayor says its believed to have been a targeted attack.

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Sky News will be providing a second-by-second live results and analysis service on all its platforms during the general election.

Ed Conway has all the details.

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Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog