Key developments on Feb. 5: Netherlands to send 6 more F-16 jets to UkraineFinnish plant to hike ammunition production fivefold due to Russia’s war in UkraineRussian attacks on cities, settlements increased by 25 percent last weekAuthorities ban foreign humanitarian workers from parts of Kherson OblastRussia claims senior official killed in alleged attack on occupied Lysychansk.The Netherlands is preparing to send Ukraine an additional six U.S.-made F-16 fighter jets, Dutch Defense Minister Kajsa Ollongren announced on Feb. 5, bringing the total number of jets pledged to Ukraine by the Netherl…