Amateur footage captures multiple explosions over the Syrian city of Homs.
The Red Cross says negotiations are ongoing to allow aid workers to evacuate civilians and the injured.
Fighting also rages in several suburbs of Damascus.
Clashes around the capital have become more and more frequent in recent months.
Reuters cannot verify the content of these videos which were obtained through social media.
Amid the bloodshed, President Bashar al-Assad swore in his new government Tuesday.
But the purely symbolic cabinet shake up leaves the interior, defence and foreign ministers in place.
Lindsey Parietti, Reuters
