The Top 8 Headlines You Might Have Missed / Haaretz Newsline, September 3

From a new Egyptian ambassador in Israel to a scientific discovery on depression, stress and rats, to an ultra-Orthodox Israeli director walking the red carpet in Vienna, sums up the top headlines you might have missed.

Opposition activists on Monday accused Syrian government forces of committing a new massacre, with pictures posted online showing dozens of piled bodies covered in blood in the outskirts of Damascus.

U.S. President Barack Obama is considering making declarations regarding the United States' "red lines" that if crossed, may bring about an American attack on Iran's nuclear facilities, the New York Times reported on Monday. According to the report, Obama is mulling a series of overt and covert actions with the goal of helping Israel save face and convince Prime Minister Benjamin Netanyahu to hold off on an attack on Iran's nuclear program.

The murder rate in predominantly Arab cities and towns has dropped by 10 percent this year, and the rate of shootings has gone down by 24 percent compared with the same eight-month period last year, Police Commissioner Yohanan Danino told Prime Minister Benjamin Netanyahu at Sunday's cabinet meeting.

A man from Gaza city set himself on fire in the morgue of a hospital in Gaza City to protest his family's poor living conditions, witnesses and medical officials said on Sunday.

Egypt has appointed a new ambassador to Israel, choosing an experienced career diplomat, officials from both countries said, in what some took as a sign of positive relations between the two countries.

WATCH: Israeli director Rama Burshtein walked the red carpet of the Venice International Film Festival, as she brings her ultra-Orthodox Jewish community to the big screen in "Fill the Void," a film about a young bride torn between love and familial obligations, which is premiering at the festival.

A team of Israeli scientists is hoping that its research on how rats deal with stress will contribute to our understanding of the causes of depression and suicide. Results of a study, to be presented on Thursday, the final day of the 14th European Symposium for Suicide and Suicidal Behavior, suggest that while exposure to stress in childhood increases the risk of depression and anxiety, as one might expect, exposure to stress in adolescence may actually provide protection against depression and suicidal behavior later in life.

Cyprus is asking to import Israeli natural gas to power its electrical generators until the island republic's own gas reserves are developed and come on stream. That is the outcome of a meeting on Sunday between Shaul Zemach, director general of the Energy and Water Ministry, and officials of Cyprus' energy ministry. The two sides also discussed the possibility of developing a joint terminal for exporting natural gas.