Grant Shapps replaces Ben Wallace as UK Defence Secretary

Ben Wallace resigned as UK Defence Secretary after 4 years in the role.
Wallace oversaw the UK's military support for Ukraine during Russia's invasion.
Prime Minister Rishi Sunak appointed Grant Shapps, a close ally, to replace Wallace.
Shapps is expected to maintain the UK's staunch support for Ukraine against Russian aggression.
The change in leadership comes ahead of the UK's next general election in 2024.