Fighting between rebels and government forces rages on in Damascus suburbs.
New amateur video shows armed men in the trenches engaged in a firefight in Eastern Ghouta.
Other video appears to be the aftermath of a car bomb that the Syrian Observatory for Human Rights says killed at least 20 people and wounded dozens more.
Reuters cannot independently verify the videos, which were posted on a social media website.
The fighting comes despite a major diplomatic breakthrough at the United Nations.
On Friday, the U.N. Security Council adopted a resolution to rid Syria of its chemical weapons.
Syrians in Damascus are calling the resolution a positive move.
(SOUNDBITE) (Arabic) MOHAMAD, A DAMASCUS CITIZEN, SAYING:
"As a citizen I welcome the resolution because it means that we will get rid of weapons. This means that I do not have to worry that these weapons may be used for other goals. I welcome the resolution just like everybody else."
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