April 21 (UPI) -- For the second day this week, explosions rocked Afghanistan on Thursday and killed several people, including worshipers at a mosque in the northern part of the country, officials said.
At least three explosions targeted various locations. The deadliest was an attack at a Shiite mosque in Mazar-e-Sharif. Dozens of people were injured at the Sai Doken mosque, several critically.