Dhaka, Oct. 2 -- Moroccan authorities have detained more than 400 people after days of violent youth-led protests demanding reforms in the health and education sectors, the Interior Ministry said Thursday.

The unrest, now in its fifth night, has spread across several cities, with the fourth night of demonstrations marked by heightened violence. Authorities reported that 263 security personnel and 23 civilians were injured as protesters torched vehicles, looted shops and ransacked businesses.

According to the ministry, 409 people were taken into custody after clashes on Tuesday night. Young men armed with knives hurled stones and Molotov cocktails, while administrative buildings, banks and shops were attacked in cities including Ait Amir...