You will be given a timeline of tweets about a crisis event. Your task is to write a summary of the event. 
The timeline is given in chronological order in below as delimited by triple backticks:

Timeline Example 1:
Tweet 1 (06/21/2021, 14:55:05): '''There is a major NAME_1 at 24th St. Mission on the San Francisco Line in the Antioch direction due to an equipment problem on a train.'''

Tweet 2 (06/21/2021, 15:03:05): '''BART Major Delays at 24th St./Mission on San Francisco Line in the Antioch Direction, Due to an Equipment Problem on a Train.'''

Tweet 3 (06/21/2021, 15:18:05): '''UPDATE: BART Major NAME_1 at 24th St./Mission on the San Francisco Line in the Antioch and Berryessa Directions, Due to Earlier Equipment Problem on a Train.'''

Summary:
A major NAME_1 on the San Francisco Line in the Antioch, Berryessa, and Dublin/Pleasanton directions due to an equipment problem on a train at the 24th Street Mission station.


Timeline:
Tweet 1 (06/28/2021, 18:15:29): '''The fire is within county jurisdiction but spreading rapidly into the San Bernardino National Forest. #PeakFire'''

Tweet 2 (06/28/2021, 19:21:41): '''#BREAKING: The #PeakFire has burned 24 acres in the San Bernardino National Forest. Highway 18 is closed between Highway 138 and 40th Street. Public asked to avoid area of Waterman Canyon.'''

Tweet 3 (06/28/2021, 19:23:48): '''#PeakFire Update: Highway 18 is closed from Highway 138 to 40th Street after a brush fire sparked in the San Bernardino National Forest.'''

Tweet 4 (06/28/2021, 20:25:19): '''A lot less smoke now from the #PeakFire burning to the north of #SanBernardino. It’s at about 34 acres and the cause is under investigation. Hwy 18 remains shut down upto Hwy 138. @KNX1070 @AlertWildfire'''

Summary: Write your response with at least 100 words.
user