SINGAPORE — Two people have died after a multi-vehicle accident happened at the junction of Tampines Avenue 1 and Tampines Avenue 4 on Monday (April 22) morning.

In response to TODAY's queries, the police said that a 17-year-old girl and a 57-year-old woman were taken unconscious to the hospital, where they later died.

In total, six vehicles were involved in the accident: Four cars, a van and a minibus.

The 17-year-old was a passenger in one of the cars, while the other deceased was a passenger in the van.

The teenager was a student of Temasek Junior College, The Straits Times reported.

In a written response to TODAY's queries, the principal of the college said that the school was "deeply saddened by the loss of one of our students".

"The school has been in touch with the family of the student and will render additional support to students and staff who may be affected by this incident during this difficult period."

A total of eight people, including the two who died, were taken to hospital. The youngest was an 11-year-old boy.

The police said that a 42-year-old male car driver is assisting with investigations.

Police investigations are ongoing.

The Singapore Civil Defence Force (SCDF) earlier said that it was alerted to a road traffic accident involving "a few vehicles" at the junction at about 7.05am.

On arrival, its personnel found a person lying on the road with one leg trapped under the wheel of a car. They used hydraulic rescue equipment to free the person's leg.

Of the eight people, four were taken to Changi General Hospital, two to Tan Tock Seng Hospital and the remaining two to KK Women's and Children's Hospital. 

SCDF added that a few members of the public, including a nurse and two of its off-duty officers, had helped the injured persons involved in the accident.

"SCDF will be reaching out to commend them for their public spiritedness."

In videos circulating on social media, at least six vehicles are seen involved in the crash. A badly crushed black car can be seen overturned in the middle of the junction, and a grey van is seen with its side door open and glass shards behind it.

Two cars sustained damage after apparently crashing into a lamppost and road divider respectively. Two other cars, on the opposite side of the road, also appear to have been damaged.

In another clip, traffic police officers can be seen at the site directing traffic, with several passers-by tending to a man dressed in black who is lying on the side of the road.

A video posted on the Singapore Road Vigilante YouTube channel, allegedly taken moments before the accident, shows a black car speeding through the morning traffic.

In the dashboard camera footage, the car is seen swerving in and out of a two-way lane to overtake a white car on the left lane without signalling.