Mazzenga claimed another world record in the 90 and over age group this month when she ran the 200 metres outdoors in 51.47 seconds
Three students have reportedly been stabbed at Van Nuys High School on Wednesday.
According to local media reports, one of the three students is in a critical condition.
The Los Angeles Fire Department said that crews responded to the incident at around 11am (local time).
Three students have been detained by law enforcement. The school was on lockdown, but the students inside were 'receiving normal instruction,' according to US media reports.
ALSO READ:
Mazzenga claimed another world record in the 90 and over age group this month when she ran the 200 metres outdoors in 51.47 seconds
Fico was shot five times at close range on Wednesday; suspect is a 71-year-old former security guard at a shopping mall and author of three collections of poetry
This is Imran Khan's first public appearance since his arrest in last August in Toshakhana case
Consumer groups in Europe have alleged that the Chinese shopping app 'frequently leaves consumers in the dark about who they are purchasing products from'
The Dubai Ruler is accompanied by Sheikh Mansour bin Zayed Al Nahyan, Vice-President and Deputy Prime Minister of the UAE
The government office could not immediately be reached for comment
Britain's queen follows in the footsteps of late Queen Elizabeth, who announced she would stop buying fur in 2019
UN agencies warn that the latest fighting has newly displaced nearly one quarter of the Gaza Strip's population this month