Three Palestinians were martyred by Israeli army fire near Gaza Strip’s security fence, the Palestinian Health Ministry.
The Israeli military said Sunday that a helicopter and a tank fired at armed suspects near the fence overnight.
After weeks of calm, Palestinian militants have attempted a number of raids in recent days. They fired rockets into Israel on two occasions over the weekend, without wounding anyone.
Last week, Israeli forces shot dead four Palestinians near the security fence for allegedly attempting to sneak into Israel.
Tension has risen along Gaza-Israel buffer zone in recent days with Israel accusing Gaza-based resistance factions of firing rockets from the Palestinian territory into Israel.
Israel holds Hamas responsible for all attacks emanating from Gaza, which the Islamic militant group has ruled since 2007. Hamas has said recent attacks were carried out by individuals frustrated by the Israeli-Egyptian blockade imposed on the territory 12 years ago.
On Saturday, the Israeli army said three rockets had been fired from Gaza, two of them were intercepted by the Iron Dome air defense system.
Israel and Palestinian group Hamas, which rules the Gaza Strip, reached an informal cease-fire in May after the worst bout of violence since 2014.
Palestinians have been staging weekly protests near Gaza border to demand an end to a 12-year Israeli blockade on the Gaza Strip, which has shattered the coastal enclave’s economy and deprived its two million inhabitants of many basic amenities.