Steam or smoke is seen pouring from the open manhole in Old Street in a shocking video taken at the scene. A pile of rubble is by the manhole cover as shocked witnesses gather at the scene. One person can be heard saying: “It exploded!” Another can be says: “What the f**k! Oh my God.” A third said: “That was scary. Did anyone get hurt?”
Many people saw the explosion and recorded it.
The context states video taken from the scene.
( z1 and :op ( z2 see :ARG0 ( z3 person :quant ( z4 many ) ) :ARG1 ( z5 explode ) ) :op ( z6 record :ARG0 z3 :ARG1 z5 ) )