This revealed that foreshocks rippled away from the source of the rupture in the 45 minutes before the quake - the first time that foreshocks have been conclusively linked to a major earthquake.

Over time, the buildup of plaque deposits can rupture and cause total blockage of the blood flow to the heart.

In its earliest stages, retinopathy often has no overt symptoms but can progress over time to a phase in which the blood vessels of the eye leak and rupture easily, eventually causing blindness.