天津蓟州爆发70年来最大山洪

Group 1 - The heavy rainfall in Tianjin's Jizhou District began on July 27, with an average rainfall of 92.7 mm and a maximum of 252.6 mm recorded, marking the largest mountain flood in 70 years [1] - By July 28, a total of 10,527 people had been relocated due to the flooding, with 7 emergency shelters activated [2] - The area experienced significant infrastructure damage, including 8 power lines affected and 29 communication facilities damaged, with ongoing recovery efforts [2] Group 2 - A red alert was issued in Beijing, prompting the evacuation of 4,205 people in the Miyun District [3] - The central government has allocated 350 million yuan in emergency disaster relief funds [3]