Syrian troops continued operations in and around Damascus on Monday (July 23rd) following clashes with armed opposition forces in the northern city of Aleppo, AFP reported.

"Regime troops raided the Razi area of Mezze, as well as Nahr Aysha, and Lawan in Kfar Sousa," the Syrian Observatory for Human Rights said.

State media also reported the operations, with the official Syrian Arab News Agency (SANA) saying government forces "restored security" in the Razi area, seizing several rocket launchers, machine guns, communications equipment and stolen medical supplies.

Troops also attacked opposition forces in the north-eastern Damascus district of Barzeh, SANA said.

Monday's violence follows reports that at least 23 people were "summarily executed" by regime forces in Mezze and Barzeh on Sunday, the Observatory said.

"Sixteen people, most of them younger than 30, were summarily executed by shooting on Sunday in Mezze," Observatory head Rami Abdel Rahman said, adding that seven others were executed in a similar fashion in Barzeh.

Meanwhile, the Local Co-ordination Committees reported that military reinforcements arrived overnight in the capital city's southern neighbourhood of Midan.

They also reported overnight battles between the opposition and regime forces in Aleppo's Sakhour and Hanano neighbourhoods.