TikTok is a popular short-form video-sharing app owned by a Chinese company. People all over the world use the app, but some countries have banned the service due to fears it passes user data to the Chinese government.
Tensions in the Middle East are rising following strikes in Iran and Israel amid Israel's ongoing war in Gaza.
Almost half the world's population is at risk of getting malaria, a life-threatening disease transmitted by the bite of female Anopheles mosquitoes. The World Health Organization marks World Malaria Day on April 25.