Britain's Prime Minister Boris Johnson (R) speaks with New Zealand's Prime Minister Jacinda Ardern (L) inside 10 Downing Street in central London on July 1, 2022. (Photo: AFP)

British Prime Minister Boris Johnson signed a landmark agreement with New Zealand Prime Minister Jacinda Ardern on Friday, strengthening the collaboration in research, science, and innovation, said the UK government.

The two countries are set to cooperate in "wide-ranging" sectors, from joint research and development of new technologies to boosting quantum technology in the UK.