Negotiators will meet in Doha again today in an effort to hammer out a Gaza ceasefire agreement as Israel continued to slam targets in the Palestinian enclave, Reuters reports.

Gaza health officials reported separately on Thursday that the death toll there had surpassed 40,000 people after more than 10 months of fighting.

A US official briefed on the discussions in Doha, who declined to be identified, told Reuters that Thursday’s talks were “constructive.”

“This is vital work. The remaining obstacles can be overcome, and we must bring this process to a close,” US national security spokesperson John Kirby told reporters at the White House.

Israel, meanwhile, pressed its assault on Gaza. Gaza health officials said at least six Palestinians were killed on Thursday night in an Israeli air strike on a house in Jabalia in northern Gaza Strip.

Israeli troops earlier hit targets in the southern cities of Rafah and Khan Younis.