Israel says it has launched a major military operation in Gaza to pressure Hamas to release remaining hostages.

The US has been talking with Hamas through an American intermediary in Doha this week in hopes of brokering an Israel-Gaza ceasefire agreement, according to a source familiar with the matter, as US officials say President Donald Trump is growing increasingly frustrated with Israel’s handling of the conflict.

Britain suspended trade negotiations and the E.U. pledged to review ties as Israel’s siege of Gaza tested the limits of some of its closest European partners.

Israel allowed some aid into Gaza on Monday, ending a two-month blockade. Coupled with equivocation over battlefield strategy, the move highlights the government’s effort to balance competing interests.

Israel said Saturday it had launched a major operation in the Gaza Strip to pressure Hamas to release remaining hostages.

France said the amount of aid Israel is allowing into Gaza is “totally insufficient,” as a U.N. official said aid trucks were yet to reach those in need.

Protesters on Tuesday (local time) disrupted a Senate hearing of US Secretary of State Marco Rubio, voicing strong opposition to Washington's support for Israel amid its ongoing military operations in Gaza,