FBI Investigating US Fatal Shooting

A gunman who's killed 4 US Marines before being shot down has been named as 24-year-old Mohammad Youssuf Abdulazeez.

Two bomb blasts at a market have killed dozens of people in the city of Gombe, in northeastern Nigeria.

It appears that mosquitoes can smell you as their next meal before they can even see you, says a research carried out by scientists in the US.

(Photo: In this image made from video and released by WRCB-TV, authorities work an active shooting scene near the Naval Reserve Center in Chattanooga on Thursday. Credit: WRCB-TV via AP)