The United Kingdom has officially left the European Union after 47 years of membership, in a step cast by Prime Minister Boris Johnson as the dawn of new era.

Poland signed a $4.6 billion deal with the United States on January 31 for the purchase of 32 of its advanced F-35 fighter jets to enhance air defense on NATO’s eastern flank at a time of increased Russian military activity.

Palestinians held demonstrations across the region Friday to protest President Donald Trump’s Middle East initiative, while militants in the Gaza Strip fired rockets and mortar rounds at Israel, drawing retaliatory strikes.