Anxious families are waiting at the school, many of them tearful but holding out hope that their loved ones are still alive.
“I am hoping for the best news, that my brother survives,” said Maulana Bayu Rizky Pratama, whose 17-year-old brother is missing, told AFP news agency.
“I hope my brother will be found soon. I feel sad thinking of him being down there for four days.”
Ahmad Ikhsan, 52, told Reuters: “I believe my son is still alive.”
The BNBP said on Wednesday that 59 people were still trapped in the rubble, though this figure has fluctuated greatly over the past few days, with Suharyanto earlier saying that data would always be “conflicting” in the “early stages” of a disaster.
The building was under construction when it collapsed, with two extra floors being added. The BNBP later said that the building’s unstable foundation meant it could not support this weight.
Sidoarjo town’s regent says the school’s management had not obtained permits to add more floors to the building.