於 鑽石山 至 觀塘 站的列車未能從架空電纜，獲取牽引電流
車廂的緊急通風及照明將至少可維持 1900 時
乘客請保持冷靜，並打開身旁的緊急通風窗，車站職員將盡快到場協助
Trains between Diamond Hill and Kwun Tong cannot obtain traction current from overhead live wires
Emergency ventilations and lightings on train can at least be maintained until 1900 hours
Please stay calm and open the ventilation windows nearby, station staff are attending the scene