GAZA CITY, Palestine 

At least 21 Palestinians have been martyred by the Israeli army in two days of escalation in the Gaza Strip, the Palestinian Health Ministry said in a statement Tuesday.

The ministry added that 69 others were injured by Israeli raids on the blockaded strip.

On Wednesday morning, the Al-Quds Brigade, the armed wing of the Islamic Jihad group, said that one of its field commanders had been killed in an Israeli raid.

Earlier, the Israeli army said its air force attacked an Islamic Jihad squad trying to fire rockets at Israel from the northern Gaza Strip.

Read more: Israeli raids killed 21 in Gaza since Tuesday