Spotlight: Tightened security measures in Yemen's Aden to curb spike of assassinations

Soldiers riding in a pickup truck are seen in a street in the southern port city of Aden, Yemen, Dec. 10, 2019. Local authorities on Tuesday beefed up security measures across the country's strategic southern port city of Aden in an attempt to curb the spike of assassinations in the city. (Photo by Murad Abdo/Xinhua)