The fire, which has been named the “Border 2 Fire,” was reported after 2:15 p.m. in the area of Otay Mountain Truck Trail in the Otay Wilderness Area. According to Cal Fire, it is currently 600 acres as of 8:13 p.m., but has a “dangerous rate” of spread. It remains 0% contained Thursday night.

Firefighters made progress on the more than 10,000-acre Hughes Fire Friday, which sent thousands fleeing after sparking near the Los Angeles County community of Castaic a day earlier.

Evacuation orders and warnings were issued to more than 31,000 people in the vicinity of two new wildfires north of Los Angeles on Wednesday.

Fitbit failed to report overheating incidents involving its Ionic watches in which customers suffered serious burns, safety regulator said.

One of the latest cases involves Fitbit, a fitness equipment company owned by Google, which has agreed to pay a $12 million fine following reports of serious burns caused by its smartwatches. Also read China Slams the Door on Russia’s Shadow Fleet The issue stems from the Fitbit Ionic,