Crime gangs are sending people to university to get chemical engineering degrees and then employing their expertise for petrol stretching as well as diesel laundering along the border.

More than 20,000 people have signed books of condolences for murdered Detective Garda Adrian Donohoe.

Gardaí have issued a stark warning to criminals on the fringes of the gang that murdered Detective Garda Adrian Donohoe: Come forward or face a 40-year jail term along with the killers.

In Dundalk Garda Station, the one and only station he served in, his colleagues and friends, many of whom worked during the worst of the Troubles, are still coming to terms with the death of Detective Garda Adrian Donohoe.

The Garda Representative Association has said it is concerned that most of the Garda's annual budget will be spent on the visits of President Obama and Queen Elizabeth next month.