Lisbons historic Glria Funicular derailed during rush hour on September 3, reportedly killing at least 15 people and injuring 18. A child is among the injured.The cable-pulled tram which has carried residents and tourists for generations came off the tracks before crashing into a nearby building.According to AP News, early reports suggest a loose cable may have caused the derailment. The Glria Funicular, in service since 1885 and recognized as one of Lisbons most iconic landmarks, was packed with commuters and sightseers when the accident happened.Emergency services arrived within minutes, treating the wounded at the scene and transporting others to local hospitals.VIDEO CAPTURES HORRIFIC MOMENT CHAIRLIFT SNAPS AT RUSSIAN RESORT, SENDS TERRIFIED TOURISTS PLUMMETTINGPortuguese President Marcelo Rebelo de Sousa expressed condolences to victims families and pledged full transparency in the official investigation, saying, "Its a tragedy of the like weve never seen."Authorities have launched a probe into the mechanical failure, with local media citing concerns over recent maintenance schedules.AP News added that the Glria Funicular has long been a tourism draw, connecting Lisbons downtown with the Bairro Alto district and welcoming thousands of visitors annually.AMUSEMENT PARK RIDE SNAPS AT SAUDI ARABIA PARK, WITH 23 REPORTED INJUREDThe Portuguese government has declared a national day of mourning to honor the victims, saying "A tragic accident caused the irreparable loss of human life, which left in mourning their families and dismayed the whole country."CLICK HERE TO GET THE FOX NEWS APPThe Associated Press contributed to this report.