Fighting in eastern Ukraine intensifies

Ukraine's Ministry of Defence has warned that Moscow is preparing to intensify its assault in the east of the country.

Also in the programme: an optical illusion in the sky; and wildfires spreading through one of the coldest places on Earth.

(Photo: A Ukrainian service member inspects a destroyed Russian Armoured Personnel Carrier, Ukraine April 30, 2022. CREDIT: REUTERS/Ueslei Marcelino TPX IMAGES OF THE DAY)