Kiev, Ukraine (CNN) -- International monitors from the Organization for Security and Co-operation in Europe reached the Malaysia Airlines Flight 17 crash site on Thursday for the first time in almost a week, the OSCE mission said.
The OSCE team was accompanied by four Dutch and Australian experts, the mission said via Twitter. It used a new route to access the site.
Fighting between the Ukrainian military and pro-Russia rebels near the crash site has repeatedly prevented international monitors and investigators from reaching the huge debris field, where human remains and victims' belongings still lie scattered.
Having finally reached the crash site, the OSCE team observed a moment's silence to mark two weeks to the day since the plane plummeted to Earth near the Russian border in rural eastern Ukraine, killing all 298 people aboard.
Their arrival at the scene came as Ukraine's military announced a one-day cease-fire Thursday to allow international experts full access.
The statement issued Thursday by the Ukrainian Counter-Terrorist Operation's press center said the military would not take offensive action but will "respond to direct attacks."
The statement also accused the rebels of continued violence, including firing Grad rocket systems. "This demonstrates their attitude towards Ukraine and the international community," it said.
The United States and others say Russia has provided arms to rebels in eastern Ukraine, including heavy weapons such as a missile system like the one believed used to down the Malaysian airliner.
Russia and the rebel fighters deny involvement in the shooting down of MH17.
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