LONDON – A global food crisis sparked by Russia’s invasion of Ukraine escalated on Wednesday as Indonesia tightened curbs on palm oil exports, adding to a growing list of key producing countries seeking to keep vital food supplies within their borders.

Ukraine’s government has banned the export of wheat, oats and other staples that are crucial for global food supplies as authorities try to ensure they can feed people during Russia’s intensifying war.

Meanwhile, the U.N. nuclear watchdog has lost data transmissions from safety monitoring systems at Chernobyl in what one Ukranian adviser called an ‘extremely dangerous situation.’

PHNOM PENH – A summit between U.S. President Joe Biden and leaders of the Association of Southeast Asian Nations (ASEAN) due to be held later this month has been postponed and organisers will seek a new date, Cambodia’s foreign minister told Reuters on Wednesday.

The United Nations’ cultural agency (UNESCO) said on Tuesday it had bolstered protective measures to preserve Ukraine’s endangered cultural heritage in light of Russia’s invasion of its neighbour.

The Pentagon has rejected a surprise announcement from Poland that it would give the United States its MiG-29 fighter jets for use by Ukraine.

The European Union is seeking to fully phase out its dependency on Russian energy “well before 2030” to ensure the 27-nation bloc no longer faces difficult decisions about hurting their own economies in geopolitical crises like the invasion of Ukraine.

A cybersecurity firm says hackers working on behalf of the Chinese government broke into the computer networks of at least six state governments in the United States in the last year.

Yevgen Chornomordenko took off with a sprint when the Ukrainian father of two saw the GPS coordinates from his wife’s cellphone draw nearer to the border crossing into Poland.

LVIV, Ukraine  – Ukrainian President Volodymyr Zelenskiy called on Monday for new international sanctions against Russia over its invasion of Ukraine, proposing a boycott of Russian oil and other Russian exports and a halt of exports to Russia.