A leak of nearly 13,000 barrels of crude oil from the Keystone Pipeline near the Kansas-Nebraska border last year was caused by a flawed weld and stress on the pipe from being bent, the operator said.

An inferior weld on the seam of the San Bruno gas pipeline was overstressed to the breaking point at the time of the line's deadly explosion, according to a detailed scientific analysis released ...

Dummy text goes here.###Photo: blast12_PHsection1284076800SFC ###Live Caption: Federal investigators examine a 40-foot section of pipeline on Glenview Drive in San Bruno on Saturday.

Vegas Pipe-Bomb Killer Escapes Prison Using Battery Acid and Cardboard Dummy HOODWINKED Guards only realized Porfirio Duarte-Herrera was gone on Tuesday morning, three days after his grand escape.

Pipeline operator TC Energy Corp said on Thursday a combination of factors including bending stress on the pipe and a weld flaw might have led to the Keystone oil ...

A leak of nearly 13,000 barrels of crude oil from the Keystone Pipeline near the Kansas-Nebraska border last year was caused by a flawed weld and stress on the pipe from being bent, the operator said.