 The Milwaukee chief of police says it will be lawful for people to carry guns outside of the convention's security perimeter. The Israeli military says it's killed a top Hamas commander. This came in an airstrike in Gaza. But as NPR's Hadil Al-Shalji reports, the fate of another, more senior Hamas leader is still unknown. The Israeli military announced on Sunday that Rafah Salameh, the top Hamas commander in Khan Yunus, was killed on a Saturday airstrike in the city's western district of Al-Muwasi.