Complex sentence: Both Israel and Hamas have argued that the other violated the 2012 ceasefire agreement, resulting in in 1 Israeli and 8 Gazan deaths and 5 Israeli and 66 Gazan injuries.
Split into simpler sentences: Both Israel and Hamas have argued that the other violated the 2012 ceasefire agreement. There were 1 Israeli and 8 Gazan deaths, 5 Israeli and 66 Gazan injuries.