Torrential rains have brought flooding and devastation to the Philippines, leaving areas of Manila waist-high in water while thousands of people across coastal and mountainous northern regions fled to emergency shelters.The national disaster agency and local officials reported at least two dead and several missing. Schools, offices, the stock exchange, courts and embassies were closed as the weather bureau placed metropolitan Manila — a sprawling area of 12 million people — under red alert.The flooding following a night of heavy rains brought by the monsoon, which was enhanced by Tropical Storm Trami.