On Sunday, a senior Hamas field commander who was the head of Hamas’s explosives unit died Sunday when an explosive detonated on Saturday and blew off his arms and legs.

The Times of Israel reports that Hamas’s military wing, the Qassam Brigades, stated on its official website that Muhammad Hemada Walid al-Quqa died Sunday morning. The statement said al-Quqa was “preparing equipment” in the field when the explosives detonated.

Israel’s Channel 2 news reported al-Quqa was the head of Hamas’s explosives unit; the Qassam Brigades admitted his tasks included “manufacturing and assembling explosives.” The Qassam Brigades said al-Quqa was from northern Gaza.

The Palestinian website al-Resalah, affiliated with Hamas, said the explosion happened in the Sudaniye area in northern Gaza.

Israel’s Channel 2 news stated al-Quqa had his extremities blown off , and that Hamas held a huge funeral for al-Quqa in Gaza on Monday, with signs claiming he had been killed while “preparing something for the enemy.”

The Palestinian Ma’an News Agency reported:

A Hamas fighter succumbed on Sunday to wounds he sustained a day earlier in an “accidental explosion” in the northern Gaza Strip, the Ministry of Health said.

Gaza Ministry of Health spokesman Ashraf al-Qidra told the Palestinian Information Center that 37-year-old Muhammad Walid al-Quqa died in the hospital on Sunday morning following an “accidental” explosion in al-Sudaniyya in the northern Gaza Strip on Saturday evening.

The Izz al-Din al-Qassam Brigades, the military wing of Hamas, said in a statement that al-Quqa was killed during “preparations” without giving details.

However, the statement went on to add that al-Quqa had been involved in “jihadist activities, including manufacturing and assembling explosives.”