Yemeni authorities deployed security forces and armored vehicles across the port city of Aden Wednesday, as protesters were expected to take to the streets in the latest in a series of protests over hours-long electricity outages caused by a shortage of fuel for power stations. For several days, hundreds of demonstrators in three central districts of Aden blocked roads and set tires on fire, protesting electricity shortages as temperatures soared to 40 degrees Celsius. On Monday and Tuesday, security forces moved in to disperse the demonstrations, beating protesters with batons and barricading…