The suspect has been taken to hospital following the shooting in Washington.
Three workers and two emergency service rescuers killed and 37 others wounded, Naftogaz CEO Serhiy Koretskyi says.
Taiwan has ‘right to engage with the world’ after Eswatini visit
The incident is the latest test of a fragile ceasefire agreed between the two countries last month.
Several races being closely watched as both parties prepare for the crucial midterm elections in November.
Skin conditions have become a serious issue for healthcare workers in Gaza, particularly when temperatures rise.
Israeli officials warn that violence threatens state, but attacks, land seizures and blockades continue in West Bank.
The national mining agency had warned weeks earlier that a buildup of gases at the mine could become dangerous.
Rescue efforts are still under way after a huge explosion ripped through China's fireworks capital.
The UAE says it intercepted Iranian missiles after a suspected drone attack, with no comment from Iran.