The row has provided ammunition to some calling for agreed post-Brexit arrangements over Northern Ireland to be scrapped.
One manufacturer in Northern Ireland is using biofuels to minimise carbon emissions in the glass-making process.
EU staff working in Northern Ireland were told not to go to work on Tuesday after threats forced authorities to halt post-Brexit checks on goods.
Mateus Webba Da Silva is an international scientist and DNA expert who
Prosecutors confirm just one former British soldier will go on trial on suspicion of murder in connection to the 1972 shootings in which 13 people died
Before he became prime minister, Boris Johnson had promised businesses in Northern Ireland they would face "no forms, no checks, no barriers."
Journalist Lyra McKee, 29, was shot dead while observing rioting in the Creggan estate, Londonderry on April 18, 2019.