An air strike has hit a second hospital in the Syrian city of Aleppo, wounding several people. Meanwhile, Russia announced a 24-hour ceasefire to begin at midnight in the capital Damascus, but in Latakia the agreement will apply in for 72 hours. On Wednesday air strikes hit a hospital in Aleppo, killing dozens of people, including medical staff and patients. An Al Jazeera exclusive report. - Subscribe to our channel: http://bit.ly/AJSubscribe - Follow us on Twitter: / ajenglish - Find us on Facebook: / aljazeera - Check our website: http://www.aljazeera.com/