A Chinese woman trapped for 30 hours in a locked room was rescued after she wrote an SOS message in her own blood on a pillow and threw it out a window. Zhou, who was cleaning a guesthouse in Sichuan province, became stuck due to a malfunctioning lock and had no access to essentials.

• The SOS message, "110 625," was written using Zhou's blood, with 110 being China's emergency number and 625 the room number.
• Food delivery driver Zhang Kun spotted the blood-stained pillow and immediately called the police, leading to Zhou's rescue.
• Zhang Kun was awarded 3,000 yuan ($419) by authorities in Leshan city for his role as a Good Samaritan.