Mine safety in coal mines, which in turn can initiate more extensive coal dust explosions. For this reason, rock dusts such as limestone dust are spread throughout coal mines to diminish the chances of coal dust explosions as well as to limit the extent of potential explosions, in a process known as rock dusting. Coal dust explosions can also begin independently of methane gas explosions. Frictional heat and sparks generated by mining equipment can ignite both methane gas and coal dust. For this reason, water is often used to cool rock-cutting sites. Miners utilize equipment strong enough to break through extremely hard
17 December 2016 Istanbul explosions Çanakkale, Hatay, Ankara, and Erzincan. 17 December 2016 Istanbul explosions On December 17, 2016, at around 21:30 (UTC+3) four masked people attacked the Peoples' Democratic Party (HDP) office in the Beylikdüzü district of Istanbul, located at a shopping mall. The attackers managed to overcome the security personnel and started a fire, which caused the explosions of the two gas tubes inside the building. One police officer and a security guard sustained minor injuries. In the same night, shots were fired by unidentified assailants at the HDP headquarters in Darıca, Kocaeli Province. Attacks towards other HDP offices across the country have