Morning Top 5: Brexit debate; North Korea fires missiles; and Joe Biden in Mayo

The top stories this Wednesday morning...

The current mayor of London and his predecessor have clashed in one of the final television debates of the EU referendum campaign.

London mayor Sadiq Khan tore into Boris Johnson, accusing his predecessor of "Project Hate" due to his campaign's messages on immigration.

In heated exchanges in front of an audience of 6,000 people at Wembley Arena, Mr Johnson hit back by pointing out that Mr Khan had previously said those concerned about immigration should not be accused of prejudice.

He also argued that leaving the EU would help reduce the UK's wealth gap. Voters go to the polls tomorrow.

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A new report estimates that just 11,000 new houses will be complete this year.

The study carried out by Property Industry Ireland also shows that in 2016 demands for new homes will far outstrip supply.

Meanwhile, new figures from the Dublin Region Homeless Executive show that there were 1,054 families, including 2,177 children, in homeless accommodation across the country in May.

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North Korea has fired two mid-range missiles off its eastern coast, even though such attempts are banned by the United Nations.

South Korean and US officials say the first launch failed, and it's unclear if the other was successful.

Japanese politicians have described the tests as a "grave provocative action", with the country's prime minister warning such ballistic missile launches "clearly cannot be tolerated".

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The US vice-president will visit county Mayo later today.

Joe Biden has family links to the county, as his great-great-grandfather Patrick Blewitt emigrated from there in 1835.

This morning Mr. Biden will visit President Michael D. Higgins at the Áras before flying to Knock Airport.

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A British woman jailed for drugs smuggling in Peru, alongside Michaella McCollum, is being allowed to return to the UK.

22-year-old Melissa Reid was given more than six years in prison after she was caught in 2013.

Irishwoman Michaella McCollum has been on parole since March, but has to remain in Peru.