". . .it sounds like it was an airburst which is specifically intended to increase the anti-personnel effect of the flying shrapnel." - Eric Blair Bingo. The answer to the question I posed An Artilleryman. Given the target area, a proximity fuze for air burst would be the choice.
Yemen's Houthi rebels commit to peace plan in letter to UN chief, BBC reports (Haaretz)
from the article: Peretz: Gaza beach blast may have internal Palestinian cause