Amateur video out of Syria shows the streets of Homs lined with rubble.

The video, which could not be independently verified by Reuters comes amid reports of a bomb blast in Aleppo that killed at least three people, a day after twin bombings in Damascus killed 27 people.

Adopting an unusually firm tone with the government of President Bashar al-Assad, Russian foreign Minister Sergei Lavrov

says Moscow disagrees with many of the decisions Assad's government has made in a year of bloodshed.

(SOUNDBITE) (Russian) RUSSIAN FOREIGN MINISTER SERGEI LAVROV, SAYING:

"We do not support the Syrian government. We support the need to start a political process. To do that it is first necessary to cease fire. We will do all it can for that, regardless of the decisions the Syrian government makes. With many of which, by the way, we do not agree."

He is calling for dialogue to end the violence.

(SOUNDBITE) (Russian) RUSSIAN FOREIGN MINISTER SERGEI LAVROV, SAYING:

"The situation isn't straightforward, and not because we support (Syrian president Bashar al-) Assad, but because there is not going to be a one-sided disarmament and everyone understands this. So, our suggestion is for everyone to concentrate on sitting down at the negotiation table."

Analysts say while Russia appears to be using a tougher tine with Syria there is no shift in the Russian stance.

Last month Russia, with China, vetoed a U.N. Security Council resolution that would have condemned the government for violence and backed a call for Assad to step aside.

Russia has vocally supported a mission by UN envoy Annan, who met with Assad last weekend as part of a push for a ceasefire.

Deborah Lutterbeck, Reuters