Red tide alert raised in Samar, Biliran waters

TACLOBAN CITY — Health and fisheries authorities have raised a red tide warning in parts of Samar and nearby coastal waters after seawater and shellfish samples tested positive for saxitoxin, which can cause paralytic shellfish poisoning.

In an advisory released on Monday, the regional office of the Bureau of Fisheries and Aquatic Resources (BFAR) said ...